Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
"ST Fibers" is more commonly referred to as "Slow Twitch Fibers" in the medical community. Slow Twitch Fibers
Muscle fibers that develop tension more slowly and to a lesser extent than fast-twitch muscle fibers. These are slower to fatigue than fast-twitch fibers.
An herb that may be helpful in relieving mild to moderate depression. It should only be taken under a physician's supervision, as it may have adverse interactions with other medications or foods and is not appropriate for everyone. More Information on St John's Wort: Herbs & Supplements
A type of viral encephalitis transmitted by a mosquito of the genus Culex. It occurs in parts of North America. Symptoms generally are mild but can be fatal in patients with increased vulnerability, such as the elderly. More Information on St Louis Encephalitis: Brain Related Infections
Angina (chest pain, pressure or discomfort) that occurs during or after a predictable trigger, such as exercise, smoking, stress or other event. More Information on Stable Angina: Chest & Related Pain
Also Known As: "Cancer Grades, Cancer Staging System, Cancer Grading, Cancer Stages, Grades of Cancer, Cancer Grading System, Cancer Staging"
A determination of whether a cancer is contained in the place where it first developed or has spread (and, if so, how far it has spread). More Information on Stages of Cancer: Cancer Basics
Discolorizations that appear on teeth due to exposure to substances or chemicals (e.g., tobacco, coffee, chlorine). Prevention methods include avoiding or minimizing exposure to these substances or having teeth cleaned more frequently. More Information on Stains: Oral Health Basics
A disorder that involves hesitation, repitition or stumbling during speech. Children often go through a short, temporary phase of stuttering, but in some cases this can persist into adulthood (more often in males). More Information on Stammering: Attention & Learning Disorders
"Stand Alone CRT" is more commonly referred to as "Cardiac Resynchronization Therapy" in the medical community. Cardiac Resynchronization Therapy
Also Known As: "CRT, Combined CRT"
A therapy used to treat heart failure that involves an implanted device that sends electrical signals to the heart. Stand Alone CRT refers to biventricular pacing. Combined CRT refers to biventricular pacing with an implantable defibrillator (ICD). More Information on Cardiac Resynchronization Therapy: Heart Failure
Substances that can help prevent cholesterol from being absorbed into the bloodstream. They occur naturally in small amounts in many grains, vegetables, fruits, legumes, nuts and seeds. More Information on Stanol Esters: Cholesterol
Also Known As: "Staphylococcal Infections, Staphylococcus Aureus Infections"
Infection with the bacteria Staphylococcus aureus. It can be transmitted through the air, on contaminated surfaces and from person to person. They can cause many complications. More Information on Staph Infections: Infectious Disease Basics
Food poison caused by eating food contaminated by the staphylococcus bacteria. It causes vomiting and diarrhea. More Information on Staphylococcal Food Poisoning: Gastroenteritis & Food Illness
Common, contagious, superficial skin infection that is produced by bacteria such as streptococcus and staphylococcus. More common in children, it can cause serious complications to the kidneys, joints, bones and lungs if left untreated. More Information on Impetigo: Skin Related Infections
Infection with the bacteria Staphylococcus aureus. It can be transmitted through the air, on contaminated surfaces and from person to person. They can cause many complications. More Information on Staphylococcal Infections: Infectious Disease Basics
Infection with the bacteria Staphylococcus aureus. It can be transmitted through the air, on contaminated surfaces and from person to person. They can cause many complications. More Information on Staphylococcus Aureus Infections: Infectious Disease Basics
Crops that are particularly important in the region in which they are grown. When referred to as a "staple food," it usually denotes a food that is the basis of a traditional diet.
Crops that are particularly important in the region in which they are grown. When referred to as a "staple food," it usually denotes a food that is the basis of a traditional diet.
"Starches" is more commonly referred to as "Carbohydrates" in the medical community. Carbohydrates
Also Known As: "Carbs"
A nutrient (including sugars, starches and fiber) found in fruits, vegetables, beans, whole grains, and dairy foods. Except fiber, which is not digested, carbohydrates provide 4 calories per gram and are the body's main source of energy (calories). More Information on Carbohydrates: Carbs & Sugars
"STARI" is more commonly referred to as "Southern Tick Associated Rash Illness" in the medical community. Southern Tick Associated Rash Illness
A rash similar to that of Lyme disease that occurs after a bite from the lone star tick, Amblyomma americanum. Symptoms may include fatigue, fever, headache, muscle and joint pains. More Information on Southern Tick Associated Rash Illness: Infectious Disease Basics
"Starvation Acidosis" is more commonly referred to as "Acidosis" in the medical community. Acidosis
Also Known As: "Diabetic Acidosis, Respiratory Acidosis, Metabolic Acidosis, Carbon Dioxide Acidosis"
Higher than normal levels of acid in the body. It can be caused by uncontrolled diabetes or kidney disease as well as other factors (e.g., prolonged diarrhea). It may lead to ketoacidosis in people with diabetes, requiring emergency treatment. More Information on Acidosis: Glucose
"STAT" is more commonly referred to as "Screening Tool for Autism in Two Year Olds" in the medical community. Screening Tool for Autism in Two Year Olds
An interactive screening measure consisting of 12 items in the areas of play, imitation and communication. Administration takes about 20 minutes. More Information on Screening Tool for Autism in Two Year Olds: Autism & Related Disorders
Also Known As: "Super Statins, HMG-CoA Reductase Inhibitors"
A type of medication used in the treatment of high blood lipids levels (e.g., cholesterol and triglycerides). Statins block the production of specific enzymes used by the body to make cholesterol. More Information on Statins: Cholesterol
Seizures that are prolonged or that occur in clusters so that they become continous. They are considered an emergency and require immediate medical assistance to bring seizures under control. More Information on Status Epilepticus: Epilepsy & Seizure
"Stavudine" is more commonly referred to as "Cidofovir" in the medical community. Cidofovir
Also Known As: "Didanosine, Lamivudine, Indinavir"
A type of antiviral medications used to treat viral infections. They may act by destroying or weakening the virus. More Information on Cidofovir: Cold & Infections Medications
"STDs" is more commonly referred to as "Sexually Transmitted Diseases (STDs)" in the medical community. Sexually Transmitted Diseases (STDs)
Also Known As: "VD, Venereal Disease"
Diseases passed from person to person, usually during sexual contact. Bacteria and viruses cause STDs. Types include chlamydia, gonorrhea, herpes, HIV/AIDS, syphilis and others. More Information on Sexually Transmitted Diseases (STDs): STD & Genital Infections
Also Known As: "Sexually Transmitted Diseases & Women"
Diseases passed from person to person, usually during sexual contact but from mother to infant during birth. Women, particularly young women, are especially vulnerable. Types include chlamydia, gonorrhea, herpes, HIV/AIDS, syphilis and others. More Information on STDs & Women: STD & Genital Infections
One of the most common saturated fatty acids. It is present in animal/dairy products and certain plant oils. More Information on Stearic Acid: Fats & Oils
A disease characterized by small yellow to white papules and cysts that tend to develop on the chest and scrotum. The cysts exude a yellow to white tenacious fluid when squeezed. It is primarily an inherited condition. More Information on Steatocystoma Multiplex: Skin Growths
Fatty liver that occurs with inflammation and/or liver cell damage. It can progress to cirrhosis, which is scarring of the liver resulting in severe tissue and cell damage. More Information on Steatohepatitis: Liver, Pancreas & Biliary
The buildup of fat in the stool, resulting in loose, greasy and foul bowel movements. It is a sign of fat malabsorption (an inability to absorb fat). More Information on Steatorrhea: IBS & Bowel Function
Fatty liver that occurs without any inflammation or damage. It may be harmless, but it may also progress to other liver condititions such as steatohepatitis (with inflammation and damage) or cirrhosis (with scarring and cell death). More Information on Steatosis: Liver, Pancreas & Biliary
"STEC" is more commonly referred to as "Enterohemorrhagic E Coli" in the medical community. Enterohemorrhagic E Coli
Also Known As: "Shiga Toxin Producing E Coli, Enterohemorrhagic Escherichia Coli, EHEC"
A toxin-producing bacteria that damage the lining of the large intestine, causing bloody diarrhea and abdominal pain. They are responsible for most E. coli infections in the United States. More Information on Enterohemorrhagic E Coli: Gastroenteritis & Food Illness
"Steele Richardson Olszewski Syndrome" is more commonly referred to as "Progressive Supranuclear Palsy" in the medical community. Progressive Supranuclear Palsy
A progressive brain disorder that causes serious and permanent problems with control of gait and balance. Other symptoms include inability to aim the eyes properly and alterations of mood and behavior. More Information on Progressive Supranuclear Palsy: Movement Disorders
"Stein Leventhal Syndrome" is more commonly referred to as "Polycystic Ovarian Syndrome" in the medical community. Polycystic Ovarian Syndrome
Also Known As: "Polyfollicular Ovarian Disease, Polycystic Ovarian Disease, Polyfollicular Ovaries, Polycystic Ovary Syndrome, Hyperandrogenic Anovulation Syndrome, PCOS"
An endocrine and hormonal disorder that is the most common cause of female infertility. It involves the overproduction of androgens (male hormones) that cause problems with ovulation as well as obesity, abnormal hair growth and other problems. More Information on Polycystic Ovarian Syndrome: Uterine & Ovarian Health
Immature body cells that can grow to become any one of a variety of different body cells. They are found in bone marrow, lymphatic tissue and in embryos. Research is ongoing concerning their potential use in cancer treatment. More Information on Stem Cells: Leukemia & Bone Cancer
The narrowing, stiffening, thickening, fusion or blockage of a passageway, such as a valve, artery, duct or canal. Stenosis can restrict the flow of material through the passage (e.g., blood through an artery). More Information on Stenosis: Heart Basics
Also Known As: "Endovascular Grafts, Endoluminal Aortic Stent Grafting, EVG, Aortic Stent Graft"
A method of treating an aortic aneurysm by detouring the flow of blood around the aneurysm instead of through it. Because self-expanding stent-grafts can also cover an aortic tear, they can be used in the treatment of aortic dissection. More Information on Stent Graft: Catheter Tests & Procedures
A minimally invasive procedure for inserting a stent (a small, expandable stainless steel or wire mesh tube) into a diseased artery to hold the artery open. It is often performed right after a balloon angioplasty has opened the artery. More Information on Stent Insertion: Catheter Tests & Procedures
Also Known As: "Coronary Stenting, Scaffolding Device"
A procedure in which a wire mesh tube is inserted through a catheter and placed in an artery to hold it open. Stenting is usually performed right after a balloon angioplasty, while the catheter is still in place. More Information on Stenting: Catheter Tests & Procedures
A minimally invasive procedure for inserting a stent (a small, expandable stainless steel or wire mesh tube) into a diseased artery to hold the artery open. It is often performed right after a balloon angioplasty has opened the artery. More Information on Stenting Procedure: Catheter Tests & Procedures
"Stereotactic Breast Biopsy" is more commonly referred to as "Breast Biopsy" in the medical community. Breast Biopsy
Also Known As: "Breast Needle Biopsy"
Removal of tissue from a breast tumor or mass to determine if cells are cancerous (malignant) or harmless (benign). It can be performed using a needle to remove a small amount of tissue or through surgery. More Information on Breast Biopsy: Breast Health
A new method of radiation therapy that offers greater protection of surrounding tissue during radiation therapy. It is limited to the brain, head and neck because these areas are easiest to immobilize. More Information on Stereotactic Radiosurgery: Chemo & Radiation Therapy
Chronic repetitive movements with no function or that interfere with function that cannot be accounted for by a compulsion, tic, or side effects of a substance.
Those types of repetitive, rhythmic self-injuries (e.g., head banging) often seen with organic disorders such as autism or mental retardation. More Information on Stereotypic Self Mutilation: Emotional Signs & Symptoms
Processed to meet Food and Drug Administration (FDA) standards for commercial sterility. Often marketed for laboratory use and for preparing formula for infants. More Information on Sterile Water: Water & Hydration
The physical inability to become pregnant, as opposed to a diminished capacity to conceive (infertility). More Information on Sterility: Fertility Issues
Method of contraception that involves a surgical procedure to interrupt the fallopian tubes in women (tubal ligation), or the vas deferens in men (vasectomy), to permanently prevent pregnancy. More Information on Sterilization: Contraception
A non-surgical procedure that places metal inserts into the fallopian tubes to cause scarring that prevents sperm from reaching the egg. This form of female sterilization is not considered reversible. More Information on Sterilization Implant: Contraception
A flat, narrow bone in the chest to which the ribs are attached. Also known as the breast bone, this is the most common point of entry for the traditional open-heart surgery.
"Sternutation" is more commonly referred to as "Sneezing" in the medical community. Sneezing
A reflex response that involves the muscles of the face, throat, chest and abdomen. These muscles constrict in sequence to rid the body of intruding particles or irritants in the nasal passages (e.g., dust, pollen, pet dander, molds). More Information on Sneezing: Nose & Throat
Acne that results after the systemic or topical use of steroids, including corticosteroids and anabolic steroids. It often occurs predominantly on the upper back and shoulders. More Information on Steroid Acne: Acne & Blemish
Also Known As: "Flunisolide, Beclomethasone, Fluticasone, Mometasone, Triamcinolone"
Medications similar to the body's own hormones used to combat nasal inflammation associated with hay fever. They deliver the steroid medication in the form a a fine mist directly into the nasal passages. More Information on Steroid Nasal Sprays: Nose & Throat
"Steroids" is more commonly referred to as "Corticosteroids" in the medical community. Corticosteroids
Also Known As: "Glucocorticosteroids, Inhaled Corticosteroids, Corticosteroid Drugs, Oral Corticosteroids"
Group of anti-inflammatory drugs similar to hormones produced by the body. Corticosteroids are used to treat many numerous conditions. More Information on Corticosteroids: Allergy & Asthma Drugs
Substances that can help prevent cholesterol from being absorbed into the bloodstream. They occur naturally in small amounts in many grains, vegetables, fruits, legumes, nuts and seeds. More Information on Sterol Esters: Cholesterol
Also Known As: "Erythema Multiforme, EM, EM Minor"
Acute inflammatory skin eruption. The rash is made up of spots that are red welts. In some case, purple or blistered areas may appear in the center. It affects the mouth, eyes and other moist surfaces. More Information on Stevens Johnson Syndrome: Skin Related Infections
A hand disorder caused by an increase in collagen in and just below the skin. Results in loss of ability to hold the hand straight. Thick, tight, waxy skin may also develop on the back of the hand. More Information on Stiff Hand Syndrome: Diabetes Signs & Symptoms
A neurological disorder with features of an autoimmune disease marked by fluctuating muscle rigidity in the trunk and limbs and a heightened sensitivity to stimuli. Noise, touch and emotional distress can set off muscle spasms. More Information on Stiff Person Syndrome: Movement Disorders
A mark of shame or discredit. Many individuals who have emotional health disorders feel stigmatized by society. Proper education about mental health issues has helped society achieve a greater understanding of these disorders
"Still Murmur" is more commonly referred to as "Innocent Heart Murmur" in the medical community. Innocent Heart Murmur
Heart murmurs that do not represent any long-term heart-related problems. Parents have no cause for alarm if their child has an innocent murmur, even if it gets louder during excitement or activity. They may result from pregnancy, fever or anemia. More Information on Innocent Heart Murmur: Heart Signs & Symptoms
A form of arthritis mainly found in children and rarely in adults. Rash and spiking fevers are common. Heart-related concerns include pericarditis (inflammation of the sac around the heart) and pericardial effusion (fluid buildup around the heart). More Information on Still's Disease: Arthritis
A perennial plant common in coastal areas of the Pacific Northwestern United States. Leaves are heart-shaped leaves with large "teeth" around the edges. When touched, they release an acid into the skin, causing itchy bumps to form in some people. More Information on Stinging Nettles: Outdoor Allergies
An interruption in the path of electrical impulses from the atria to the ventricles, creating a lack of communication regarding the heartbeat (a heart block). Causes an abnormally slow heartbeat and even fainting from lack of oxygen to the brain. More Information on Stokes Adams Disease: Arrhythmia
A surgically created opening that leads from an area inside the body to the outside. Colostomy and urostomy are examples of stomas. More Information on Stoma: Digestive Treatments
The organ where the digestion of protein begins, located between the esophagus and the small intestine. More Information on Stomach: Digestive Health Basics
"Stomach Ache" is more commonly referred to as "Abdominal Pain" in the medical community. Abdominal Pain
Also Known As: "Belly Pain, Gastralgia, Gastrointestinal Pain, Abdomen Pain, Gastric Pain, Ventral Pain, Stomach Pain"
Pain that originates near the abdomen or spread to this region from other areas. The gastrointestinal tract is a common source of pain. More Information on Abdominal Pain: Abdominal Pain
Abdominal pain is very common during childhood. It may be caused by a large number of factors. Some of these are serious and some are not. Other symptoms often help to identify the cause of stomach-area pain. More Information on Stomach Aches & Children: Pediatric Signs & Symptoms
"Stomach Acid" is more commonly referred to as "Hydrochloric Acid" in the medical community. Hydrochloric Acid
An acid produced in the stomach that works with digestive enzymes to break down proteins. More Information on Hydrochloric Acid: Digestive Health Basics
"Stomach Banding" is more commonly referred to as "Gastric Banding" in the medical community. Gastric Banding
Also Known As: "Laparoscopic Adjustable Gastric Banding, Gastric Banding Surgery, Nonadjustable Gastric Banding, LAGB, Adjustable Gastric Banding, Laparoscopic Gastric Banding"
A surgical procedure where a band is placed around part of the stomach, resulting in a small pouch and main stomach with a small opening between the two. It may be used in the treatment of obesity. More Information on Gastric Banding: Bariatric Surgery
"Stomach Bypass" is more commonly referred to as "Gastric Bypass" in the medical community. Gastric Bypass
Also Known As: "Roux en Y Gastric Bypass, Gastric Bypass Procedure, Gastric Bypass Surgery, Gastric Bypass Operation"
The surgical closing of a part of the stomach, resulting in a much smaller stomach size. It may be used to treat obesity. More Information on Gastric Bypass: Bariatric Surgery
Cancer of the stomach that may begin anywhere within the stomach and often spreads throughout the stomach and to other organs. Once the leading cause of death in the U.S., improved diet has helped reduce its occurrence. More Information on Stomach Cancer: Gastrointestinal System Cancer
"Stomach Cramping" is more commonly referred to as "Abdominal Cramping" in the medical community. Abdominal Cramping
Abdominal pain caused by numerous sources (often muscle contractions) that varies greatly in intensity. More Information on Abdominal Cramping: Abdominal Pain
"Stomach Flu" is more commonly referred to as "Intestinal Flu" in the medical community. Intestinal Flu
Also Known As: "Viral Gastroenteritis"
An infection of the stomach or intestines by a particular virus. Diarrhea is the most common symptom. The virus that causes this infection is not the same virus that causes influenza, or respiratory flu. More Information on Intestinal Flu: Gastroenteritis & Food Illness
"Stomach Lining Protectors" is more commonly referred to as "Mucosal Protective Drugs" in the medical community. Mucosal Protective Drugs
Medications that coat the lining of the digestive system. They are used to treat diarrhea, heartburn, indigestion and nausea. They may also be part of the treatment for some ulcers. Some are available over-the-counter. More Information on Mucosal Protective Drugs: Digestive Medications
"Stomach Pain" is more commonly referred to as "Abdominal Pain" in the medical community. Abdominal Pain
Also Known As: "Belly Pain, Gastralgia, Stomach Ache, Gastrointestinal Pain, Abdomen Pain, Gastric Pain, Ventral Pain"
Pain that originates near the abdomen or spread to this region from other areas. The gastrointestinal tract is a common source of pain. More Information on Abdominal Pain: Abdominal Pain
Inflammation, ulcers or sores on the lining of or around the mouth. It may be a side effect of chemotherapy. More Information on Stomatitis: Digestive Treatments
"Stomatodynia" is more commonly referred to as "Burning Mouth Syndrome" in the medical community. Burning Mouth Syndrome
Also Known As: "Scalded Mouth Syndrome, BMS"
A condition that causes a burning or scalding sensation in the mouth, particularly on the lips and tongue, and generally with no visible signs of irritation. More Information on Burning Mouth Syndrome: Mouth & Tongue Disorders
Also Known As: "Detergent Laxatives, Wetting Agents"
Laxatives that reduce the consistency of stool, softening the feces to make it easier to pass. More Information on Stool Softeners: Digestive Medications
"Stool Tests" is more commonly referred to as "Fecal Tests" in the medical community. Fecal Tests
Laboratory tests to determine the composition of feces, which are useful in the diagnosis of many gastrointestinal disorders. More Information on Fecal Tests: Digestive Lab Tests
"STOP" is more commonly referred to as "Safe Tables Our Priority" in the medical community. Safe Tables Our Priority
A national organization that works to prevent illness and death associated with foodborne illness. It works with government agencies and industry to encourage practices and policies that promote safe food.
Misalignment of the eyes, which may be crossed (esotropia) or turned upward, downward or outward (exotropia). Chronic misalignment can lead to amblyopia, or "lazy eye." More Information on Strabismus: Eye Conditions
"Strangulating Obstruction" is more commonly referred to as "Mechanical Intestinal Obstruction" in the medical community. Mechanical Intestinal Obstruction
Also Known As: "Simple Mechanical Intestinal Obstruction"
The physical partial or complete blockage of the intestines, possibly due to a hernia, impacted feces or tumors. More Information on Mechanical Intestinal Obstruction: Abdominal Pain
Outermost layer of dead cells in the epidermis that protects living tissue and forms a barrier to keep moisture in.This layer consists of fully mature keratinocytes which contain tough proteins (keratins). More Information on Stratum Corneum: Skin & Hair Basics
Exercises that work a muscle or muscle group to fatigue in order to increase muscle strength and endurance. It is important to find the right intensity for this type of workout, and to follow safety precautions closely. More Information on Strength Training Basics: Exercise & Weight
Using the same weight for too long reduces the effectiveness of strength training. However, weight should not be increased too suddenly, as this can lead to injury. A slow, steady increase in weight is typically best. More Information on Strength Training: Increasing Weight Safely: Exercise & Weight
Also Known As: "Streptococcus Infections, Streptococcal Infections"
Infection with a spherical Gram-positive bacteria occurring in pairs or chains. There are many types of Streptococcus infection. More Information on Strep Infections: Infectious Disease Basics
Infection of the throat caused by Streptococcus bacteria. It is most common in children and causes fever, sore throat, headache, stomachache, nausea and chills. More Information on Strep Throat: Nose & Throat
A bacterial infection that affects the throat and tonsils. Symptoms include sore throat, fever and swollen lymph nodes. More Information on Strep Throat & Children: Nose & Throat
"Streptobacillus Moniliformis Infection" is more commonly referred to as "Rat Bite Fever" in the medical community. Rat Bite Fever
Also Known As: "Spirillum Minus Infection"
One of two infectious diseases transmitted by the bite of a rat. Streptobacillus moniliformis is marked by skin inflammation, back and joint pains. Spirillum minus is marked by ulceration at the bite site, purplish rash, recurrent fever. More Information on Rat Bite Fever: Infectious Disease Basics
"Streptococcal Antibody Test" is more commonly referred to as "Antistreptolysin O Test" in the medical community. Antistreptolysin O Test
Also Known As: "ASO Test, Antistreptolysin-O Titer, ASOT"
A blood test that measures ASO, an antibody generated by the body in response to infection by a specific type of bacteria called Group A Streptococcus. High levels may indicate an infection, such as endocarditis, rheumatic fever or scarlet fever. More Information on Antistreptolysin O Test: Blood Tests
Infection with a spherical Gram-positive bacteria occurring in pairs or chains. There are many types of Streptococcus infection. More Information on Streptococcal Infections: Infectious Disease Basics
A severe form of group A streptococcal infection. It causes a rapid drop in blood pressure and organ failure. More Information on Streptococcal Toxic Shock Syndrome: Infectious Disease Basics
Infection with a spherical Gram-positive bacteria occurring in pairs or chains. There are many types of Streptococcus infection. More Information on Streptococcus Infections: Infectious Disease Basics
Also Known As: "Streptococcus Pneumoniae Disease, Streptococcus Pneumoniae Infection"
A type of Streptococcus infection that most often causes pneumonia. It can infect the upper respiratory tract and spread to the blood, lungs, middle ear or nervous system. More Information on Streptococcus Pneumoniae: Pneumonia & Lung Infection
Also Known As: "Streptococcus Pneumoniae Infection"
A type of Streptococcus infection that most often causes pneumonia. It can infect the upper respiratory tract and spread to the blood, lungs, middle ear or nervous system. More Information on Streptococcus Pneumoniae Disease: Pneumonia & Lung Infection
A type of Streptococcus infection that most often causes pneumonia. It can infect the upper respiratory tract and spread to the blood, lungs, middle ear or nervous system. More Information on Streptococcus Pneumoniae Infection: Pneumonia & Lung Infection
Also Known As: "Amikacin, Meomycin, Tobramycin, Gentamicin, Netilmicin, Kanamycin, Spectinomycin"
A type of antibiotic belonging to the drug class of aminoglycosides. These medications kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Streptomycin: Digestive Medications
The body's natural reaction to change. During times of acute stress (the "fight or flight" response), these changes are needed and helpful. However, chronic (long-term) stress can be damaging to overall health. More Information on Stress: Stress
Asthma can be triggered by many factors, including stress. Sometimes worrying about an asthma attack can cause asthma to flare up. More Information on Stress & Asthma: Asthma Basics
Stress is the body's reaction to change and may have negative effects (e.g., raising blood pressure, increasing the risk of heart disease). Proper stress management is important for people with diabetes, who are at higher risk for these conditions. More Information on Stress & Diabetes: Diabetes & Endocrine Basics
"Stress Fractures" is more commonly referred to as "Fractures" in the medical community. Fractures
Also Known As: "Simple Fractures, Oblique Fractures, Closed Fractures, Compound Fractures, Open Fractures, Impacted Fractures, Converse Fractures"
A break, rupture or crack - especially in bone or cartilage - that is often painful. Most often caused by trauma, fractures may remain under the skin (closed) or break through (open). Types include: simple, compound, impacted, oblique, stress and converse. More Information on Fractures: Infection & Trauma Pain
"Stress Headache" is more commonly referred to as "Tension Headache" in the medical community. Tension Headache
Also Known As: "Tension Type Headache, Depressive Headache, Muscle Contraction Headache, Essential Headache, Psychogenic Headache, Ordinary Headache"
Head pain related to muscle tightening in the head, neck or scalp. It is the most common headache and is usually mild, but can become chronic in some patients. It does not involve the severe pain, nausea or vision problems associated with migraines. More Information on Tension Headache: Headache & Migraine
Basic stress management techniques include getting enough sleep and exercising regularly. The three steps to stress management are relaxing in a healthy way, identifying the cause of stress (stressor) and addressing or resolving the stressor. More Information on Stress Management: Stress
Children may experience stress due to school or social situations. Listening to children and helping them work through possible solutions to their problems can help reduce stress. More Information on Stress Management & Children: Pediatric Health Basics
An electrocardiogram performed while the patient exercises in a controlled manner on a treadmill or stationary bicycle at varied speeds and elevations. This test can help detect heart irregularities, disease and damage. More Information on Stress Test: Heart Imaging & Rhythm Tests
An ulcer in the upper gastrointestinal tract caused by a physical injury, such as a surgery or burn. More Information on Stress Ulcer: Gastritis & Ulcer
Marks in the skin caused by rapidly growing tissue. They are a common side effect of pregnancy that appear on the breasts, abdomen, legs and buttocks. Obesity and puberty also may cause these marks, which are reddish before slowly fading. More Information on Stretch Marks: Skin & Hair Basics
Typically slow or static exercises that stretch a muscle or group of muscles to lengthen the muscles and improve flexibility and range of motion. Generally recommended both before and after a workout to "warm up" and "cool off." More Information on Stretching Basics: Exercise & Weight
"Stretta Procedure" is more commonly referred to as "Radiofrequency Treatment for GERD" in the medical community. Radiofrequency Treatment for GERD
A procedure that creates scar tissue at the base of the esophagus to strengthen esophageal sphincter muscles and prevent acid reflux. It is accomplished by use of an endoscope rather than via surgical incision. More Information on Radiofrequency Treatment for GERD: Digestive Treatments
A form of multiple system atrophy (MSA) that resembles Parkinson's disease. It primarily involves slow muscle movement, stiffness and tremors. More Information on Striatonigral Degeneration: Brain & Nerve Basics
A surgical procedure to widen narrowed areas of the intestines. Lengthwise cuts are made in intestinal lining, then sewn shut in the opposite direction. It may be used to relieve obstruction in the bowel and preserve bowel length. More Information on Strictureplasty: Digestive Treatments
A surgical procedure to widen narrowed areas of the intestines. Lengthwise cuts are made in intestinal lining, then sewn shut in the opposite direction. It may be used to relieve obstruction in the bowel and preserve bowel length. More Information on Stricturoplasty: Digestive Treatments
A crowing sound audible during inhalation that is the result of blockage in the throat (pharynx), voice box (larynx) or windpipe (trachea). It often is loud enough to be heard from a distance and can indicate a life-threatening emergency. More Information on Stridor: Breathing & Lung
Research suggests that African Americans are 3 to 5 times more likely to have a stroke than white Americans of the same age. African Americans also have more risk factors (e.g., smoking, high-fat diets, high blood pressure, diabetes and obesity). More Information on Stroke & African Americans: Stroke
A potentially fatal event in which oxygen-rich blood flow to the brain is restricted, often because of an obstructing blood clot. More Information on Stroke & Diabetes: Diabetes Heart & Blood Vessel
Also Known As: "Embolic Stroke, Ischemic Stroke, CVA, Cerebrovascular Accident, Brain Attack, Thrombotic Stroke, Hemorrhagic Stroke"
A potentially fatal event in which oxygen-rich blood flow to the brain is restricted. There are two main types: ischemic (caused by obstructing blood clot) and hemorrhagic (caused by bleeding in the brain). Ischemic is most common. More Information on Stroke & the Brain: Stroke
Although strokes occur with equal frequency in both men and women, women are more likely to have a stroke at a younger age (40s or 50s) and to die from stroke. Female victims account for more than 60 percent of the annual deaths due to stroke. More Information on Stroke & Women: Stroke
A potentially fatal event in which oxygen-rich blood flow to the brain is restricted, often because of an obstructing blood clot. More Information on Stroke Basics: Stroke
"Stroke in Children" is more commonly referred to as "Pediatric Stroke" in the medical community. Pediatric Stroke
Also Known As: "Infant Stroke, Childhood Stroke"
Approximately 1,400 children each year suffer from stroke, a potentially fatal event in which oxygen-rich blood flow to the brain is restricted, often because of an obstructing blood clot. More Information on Pediatric Stroke: Pediatric Heart
A wealth of services designed to help stroke survivors regain as much of their physical and mental functioning as possible, as well as improving their chance of long-term survival. More Information on Stroke Rehabilitation: Stroke
"Stromal Tumor" is more commonly referred to as "Androblastoma" in the medical community. Androblastoma
Also Known As: "Sertoli Leydig Cell Tumor, Gonadal Stromal Tumor, Arrhenoblastoma, Sertoli Leydig Ovarian Tumor, Sex Cord Tumor, Sertoli Leydig Cell Tumor of the Ovary"
A rare type of ovarian cancer in which the tumor secretes the male hormone testosterone. This leads to the appearance of male characteristics in females. More Information on Androblastoma: ObGyn Cancer
Infection caused by the roundworm Strongyloides stercoralis. It is fairly common in warm, moist regions and is transmitted through exposure to contaminated soil. In many cases, it does not cause symptoms. More Information on Strongyloides Infection: Infectious Disease Basics
Infection caused by the roundworm Strongyloides stercoralis. It is fairly common in warm, moist regions and is transmitted through exposure to contaminated soil. In many cases, it does not cause symptoms. More Information on Strongyloidiasis: Infectious Disease Basics
"Structural Rhinitis" is more commonly referred to as "Rhinitis" in the medical community. Rhinitis
Also Known As: "Infectious Rhinitis, Drug Induced Rhinitis, Vasomotor Rhinitis, Rhinitis Medicamentosa, Irritant Rhinitis, Hormonal Rhinitis, Eosinophilic Rhinitis"
Inflammation of the mucous membrane, which lines the nose. It may be caused by infection, allergies or a combination of both. Symptoms may include sneezing, itching, nasal congestion or runny nose. More Information on Rhinitis: Nose & Throat
A claim made by a food manufacturer about an effect a food or supplement ingredient may have on the body (e.g., "Fiber maintains bowel regularity"), without linking it to a disease or condition. These claims do not require FDA approval. More Information on Structure Function Claims: Nutrition Basics
Also Known As: "Clustered Water, Oxygenated Water, Activated Water, Hexagonal Water, Pentagonal Water, Alkanized Water, Hydrogenated Water, Super Ionized Water"
Waters which supposedly have nutritional or spiritual value based on the physical structure of the water's atoms. These claims are widely rejected by the scientific community. More Information on Structured Water: Water & Hydration
A severe form of group A streptococcal infection. It causes a rapid drop in blood pressure and organ failure. More Information on STSS: Infectious Disease Basics
A neurological disorder indicated at birth by seizures and a large port-wine stain birthmark on the forehead and upper eyelid of one side of the face. Convulsions usually affect the side of the body opposite the birthmark. More Information on Sturge Weber Syndrome: Skin Discoloration
A disorder that involves hesitation, repitition or stumbling during speech. Children often go through a short, temporary phase of stuttering, but in some cases this can persist into adulthood (more often in males). More Information on Stuttering: Attention & Learning Disorders
"Subacute Rheumatic Arthritis" is more commonly referred to as "Rheumatoid Arthritis" in the medical community. Rheumatoid Arthritis
Also Known As: "RA, Rheumatoid Disease, Rheumatic Joint Disease, Acute Rheumatic Arthritis, Systemic Rheumatic Disease"
A chronic disease involving inflammation of the joints that can lead to damage, pain and a limitation of movement. There are three phases of the disease: inflammation, thickening and finally damage to the joint. Early treatment can lessen damage. More Information on Rheumatoid Arthritis: Arthritis
"Subacute Rhinosinusitis" is more commonly referred to as "Rhinosinusitis" in the medical community. Rhinosinusitis
Also Known As: "Noninfectious Rhinosinusitis, Acute Rhinosinusitis, Chronic Rhinosinusitis, Recurrent Acute Rhinosinusitis, Allergic Rhinosinusitis"
Inflammation of the paranasal sinuses that occurs with rhinitis. It often occurs in patients with non-seasonal allergies and in those with moderate to severe asthma, and may persist for a few weeks (acute) or much longer (chronic). More Information on Rhinosinusitis: Nose & Throat
Inflammation of the lining of the sinus cavities in the face. It can be caused by infection, irritants or allergies, and may be acute or chronic. Symptoms may include runny nose, headache, teeth sensitivity, nasal congestion and facial swelling. More Information on Sinusitis: Nose & Throat
A chronic, persistent infection of the central nervous system caused by an altered form of measles virus. It primarily affects children and young adults and usually has a progressive course which results in death. More Information on Subacute Sclerosing Panencephalitis: Brain Related Infections
An often fatal condition in which there is bleeding between the brain and the skull, usually from a ruptured blood vessel. The pooling blood on the brain's surface mixes with the cerebrospinal fluid and puts great pressure on the brain.
A condition that results from narrowing or blockage of the subclavian artery prior to the origin of the vertebral artery (leading to the brain). This causes the flow of blood through the vertebral artery to reverse, reducing blood flow to the brain. More Information on Subclavian Steal Syndrome: Stroke
"Subclinical Diabetes" is more commonly referred to as "Prediabetes" in the medical community. Prediabetes
Also Known As: "Chemical Diabetes, Borderline Diabetes, Impaired Fasting Glucose, Impaired Glucose Tolerance, IFG, Latent Diabetes, IGT"
A condition in which glucose (blood sugar) levels are higher than normal, but not high enough to classify the patient as having diabetes. Formerly known as latent, borderline, subclinical or chemical diabetes, it may or may not progress to diabetes. More Information on Prediabetes: Diabetes & Endocrine Basics
A condition in which glucose (blood sugar) levels are higher than normal, but not high enough to classify the patient as having diabetes (formerly known as latent, borderline, subclinical or chemical diabetes). It may or may not progress to diabetes. More Information on Prediabetes & Children: Pediatric Diabetes
"Subcortical Arteriosclerotic Encephalopathy" is more commonly referred to as "Binswanger's Disease" in the medical community. Binswanger's Disease
Also Known As: "Subcortical Dementia"
A rare form of dementia involving lesions deep in the brain's white matter, leading to memory loss, mood changes and cognitive decline. Patients affected usually also have cardiovascular problems, such as high blood pressure or stroke. More Information on Binswanger's Disease: Alzheimer's & Dementia
"Subcortical Dementia" is more commonly referred to as "Binswanger's Disease" in the medical community. Binswanger's Disease
Also Known As: "Subcortical Arteriosclerotic Encephalopathy"
A rare form of dementia involving lesions deep in the brain's white matter, leading to memory loss, mood changes and cognitive decline. Patients affected usually also have cardiovascular problems, such as high blood pressure or stroke. More Information on Binswanger's Disease: Alzheimer's & Dementia
Stores of fat just under the skin. It gives a plump, padded look. Loss of this fat is associated with lipodystrophy. More Information on Subcutaneous Fat: Fats & Oils
A type of mastectomy that involves removal of the entire breast while leaving the skin, areola and nipple intact. More Information on Subcutaneous Mastectomy: Breast Cancer
A "mini" heart attack. It often results from the closure of a large artery that re-opened before permanent muscle damage could occur, or from the total closure of a smaller, less significant artery. More Information on Subendocardial MI: Cholesterol
Incomplete or partial dislocation of a bone in a joint. An example would be an njury that causes a tooth to become loose in the socket but not knocked out of position.
Walnut-sized major salivary glands located beneath the tongue that produces most of the body's nocturnal saliva. More Information on Submandibular Glands: Oral Health Basics
A disorder marked by the use of a substance that alters mood or behavior and causes significant distress or harm in one's life. The term usually refers to excessive use of alcohol and various legal or illegal drugs. More Information on Substance Abuse: Alcohol & Substance Abuse
Many patients who abuse substances such as alcohol or drugs also suffer from mental illness such as schizophrenia, bipolar disorder and attention deficit hyperactivity disorder (ADHD). More Information on Substance Abuse & Mental Illness: Alcohol & Substance Abuse
Therapies designed to help patients break the cycle of abusing alcohol, drugs and other substances. Behavioral therapies (counseling, psychotherapy, support groups) and medications may be used. More Information on Substance Abuse Treatment: Alcohol & Substance Abuse
"Substance Dependence" is more commonly referred to as "Drug Dependence" in the medical community. Drug Dependence
An addiction or reliance on a drug, often inducing withdrawal symptoms when intake of the drug is reduced or stopped. More Information on Drug Dependence: Alcohol & Substance Abuse
Also Known As: "Drug Withdrawal, Medication Withdrawal"
Physical and psychological symptoms that occur when a person suddenly quits using certain medications or recreational drugs. Gradually lowering dosage levels of some drugs, such as antidepressants, can help prevent symptoms. More Information on Substance Withdrawal: Alcohol & Substance Abuse
An artificial sweetener made from sucrose (sugar) that is non-nutritive and about 600 times sweeter than sugar. More Information on Sucralose: Carbs & Sugars
Two-part sugar made of glucose and fructose. Commonly known as table sugar or white sugar, it is found naturally in sugar cane and in beets. More Information on Sucrose: Carbs & Sugars
Any abnormal heart rhythms (arrhythmia) that increases the risk of sudden cardiac death. Long QT Syndrome is the most common example. More Information on Sudden Arrhythmia Death Syndrome: Arrhythmia
"Sudden Cardiac Arrest" is more commonly referred to as "Cardiac Arrest" in the medical community. Cardiac Arrest
Also Known As: "Cardiopulmonary Arrest, Massive Heart Attack, Heart Arrest, Heart Seizure"
The abrupt, immediate stopping of the heart. Without immediate treatment with a defibrillator, sudden cardiac death is unavoidable. More Information on Cardiac Arrest: Arrhythmia
A possible result of cardiac arrest (in which the heart abruptly and immediately stops). Without immediate defibrillation, cardiac arrest will result in sudden cardiac death. It claims one American life every minute. More Information on Sudden Cardiac Death: Heart Basics
Related to the nerve fibers that control the activity of the sweat glands. Helps regulate perspiration in the body. More Information on Sudomotor: Perspiration & Chafing
High-sugar foods that replace whole foods (such as drinking soft drinks in place of milk) can lead to nutritional deficiencies, especially in children who have higher nutritional needs. More Information on Sugar & Children: Pediatric Diet & Fitness
Sugar is a simple carbohydrate that provides most of the energy the body needs to function. People with diabetes must monitor their intake of sugar to ensure they do not consume too many or too few carbohydrates. More Information on Sugar & Diabetes: Diabetes Diet & Fitness
"Sugar Diabetes" is more commonly referred to as "Diabetes Mellitus" in the medical community. Diabetes Mellitus
Also Known As: "DM"
A disorder in the body's ability to break down blood sugar (glucose). With type 1 (insulin dependent) the body produces no insulin. With type 2 (non-insulin dependent) the body does not produce enough or cannot use insulin properly. More Information on Diabetes Mellitus: Diabetes & Endocrine Basics
"Sugar Pill" is more commonly referred to as "Placebo" in the medical community. Placebo
An inactive substance given to participants in controlled studies to determine the effectiveness of medications. Another group is given the actual medication to be tested. Neither group knows if their medication is active.
Sweeteners used in place of sugar. Some of these have calories and affect blood glucose levels, while others do not. In most cases, they mimic the effect of sugar in taste, but with less food energy. More Information on Sugar Substitutes: Carbs & Sugars
Simple carbohydrates that are sweet and occur widely in nature. Examples include fructose, glucose, lactose and sucrose. More Information on Sugars: Carbs & Sugars
Thoughts about wanting to kill oneself. Such a thought process can be a very serious matter and warrants immediate therapy and counseling. More Information on Suicidal Ideation: Suicide Information
The act of deliberately taking one's own life through relatively nonviolent (drug overdose) or violent (shooting oneself) means. The vast majority of suicides can be traced back to a mood disorder or mental illness. More Information on Suicide Basics: Suicide Information
The taking of one's own life (suicide) by people 65 years of age or older. Suicide in older adults is most often related to depression and factors leading to depression such as chronic pain or illness, physical impairment, grief or social isolation. More Information on Suicide in Older Adults: Suicide Information
A growing problem of deliberately taking one's own life (suicide) in people between the ages of 10 and 24 years of age. Suicidal thoughts and behaviors in youth are often related to a mood or mental disorder. More Information on Suicide in Teens & Young Adults: Suicide Information
Education provided in an attempt to prevent people from killing themselves and provide appropriate mental health counseling. May include warning signs to look for, since most suicides occur with some type of outward warning. More Information on Suicide Prevention & Awareness: Suicide Information
Also Known As: "Sulfamethoxazole, Sulfasalazine, Sulfadiazine, Sulfamethizole, Sulfisoxazole, Sulfadoxine, Sulfapyridine"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfa Drugs: Cold & Infections Medications
Also Known As: "Sulfamethizole, Sulfisoxazole, Sulfadoxine, Sulfapyridine, Sulfa Drugs, Sulfamethoxazole, Sulfasalazine"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfadiazine: Cold & Infections Medications
Also Known As: "Sulfapyridine, Sulfa Drugs, Sulfamethoxazole, Sulfasalazine, Sulfadiazine, Sulfamethizole, Sulfisoxazole"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfadoxine: Cold & Infections Medications
Also Known As: "Sulfisoxazole, Sulfadoxine, Sulfapyridine, Sulfa Drugs, Sulfamethoxazole, Sulfasalazine, Sulfadiazine"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfamethizole: Cold & Infections Medications
Also Known As: "Sulfasalazine, Sulfadiazine, Sulfamethizole, Sulfisoxazole, Sulfadoxine, Sulfapyridine, Sulfa Drugs"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfamethoxazole: Cold & Infections Medications
Also Known As: "Sulfa Drugs, Sulfamethoxazole, Sulfasalazine, Sulfadiazine, Sulfamethizole, Sulfisoxazole, Sulfadoxine"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfapyridine: Cold & Infections Medications
Also Known As: "Sulfadiazine, Sulfamethizole, Sulfisoxazole, Sulfadoxine, Sulfapyridine, Sulfa Drugs, Sulfamethoxazole"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfasalazine: Cold & Infections Medications
Also Known As: "Sulfadoxine, Sulfapyridine, Sulfa Drugs, Sulfamethoxazole, Sulfasalazine, Sulfadiazine, Sulfamethizole"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfisoxazole: Cold & Infections Medications
An increased sensitivity to sulfites, a chemical additive used to prevent spoilage in wines, dried fruits and other food products (e.g., dried mashed potato flakes) that may result in an allergic reaction when eating these foods. More Information on Sulfite Allergy: Food Allergy & Intolerance
An increased sensitivity to sulfites, a chemical additive used to prevent spoilage in wines, dried fruits and other food products (e.g., dried mashed potato flakes) that may result in an allergic reaction when eating these foods. More Information on Sulfite Sensitivity: Food Allergy & Intolerance
A chemical additive used to prevent spoilage in wines, dried fruits and other food products (e.g., dried mashed potato flakes). People sensitive to sulfites may experience an allergic reaction from eating foods containing these preservatives. More Information on Sulfites: Additives & Seasonings
Also Known As: "Sulfamethoxazole, Sulfasalazine, Sulfadiazine, Sulfamethizole, Sulfisoxazole, Sulfadoxine, Sulfapyridine, Sulfa Drugs"
A class of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. More Information on Sulfonamides: Cold & Infections Medications
A class of antidiabetic agents used to treat type 2 diabetes. They work by increasing insulin production in the pancreas and helping body cells to use insulin more efficiently. They may be used alone or in combination with other antidiabetics. More Information on Sulfonylurea Agents: Diabetes & Endocrine Drugs
A class of antidiabetic agents used to treat type 2 diabetes. They work by increasing insulin production in the pancreas and helping body cells to use insulin more efficiently. They may be used alone or in combination with other antidiabetics. More Information on Sulfonylureas: Diabetes & Endocrine Drugs
An isothiocyanate found in cruciferous vegetables (broccoli, cauliflower) that may stimulate the production of enzymes in the body that detoxify cancer-causing substances. More Information on Sulphoraphane: Herbs & Supplements
Acne that occurs in hot, humid weather or is made worse by such weather. It predominantly affects the neck, chest, back and legs, and often occurs in individuals unaccustomed to such climates. More Information on Summer Acne: Acne & Blemish
A United States Department of Agriculture (USDA) program that provides nutritious meals to children in lower-income families during long vacations from school when they do not have access to school lunch or breakfast.
Itchy red spots or blisters that appear on the skin immediately or within a few hours of sun exposure on skin areas that were exposed. Fair skinned people are more at risk for this rash, which can be prevented by wearing high-protection sun screen. More Information on Summer Skin Rashes: Skin Signs & Symptoms
An adverse reaction to sunlight and/or heat that may include skin eruptions (e.g., pimples, blisters, hives). Some forms may spread to unexposed skin areas. May involve sunlight alone or a combination of sunlight and chemicals, medications or heat. More Information on Sun & Heat Allergies: Outdoor Allergies
"Sun Allergy" is more commonly referred to as "Photosensitivity" in the medical community. Photosensitivity
Also Known As: "Light Sensitivity, Light Allergy, Sun Sensitivity"
An increase sensitivity to sunlight that may result in skin eruptions, such as pimples, blisters or hives. More Information on Photosensitivity: Skin & Hair Basics
Limiting sun exposure, reducing the number of sunburns and avoiding other exposure to UV radiation can reduce the risk of some forms of skin cancer. More Information on Sun Damage: Skin & Hair Basics
Limiting sun exposure, reducing the number of sunburns and avoiding other exposure to UV radiation can reduce the risk of some forms of skin cancer. More Information on Sun Exposure: Skin & Hair Basics
"Sun Hives" is more commonly referred to as "Solar Urticaria" in the medical community. Solar Urticaria
Also Known As: "Solar Hives, Sun Urticaria"
A rare type of sun allergy in which sunlight produces hives on the exposed skin within minutes of exposure. It is more common in young women. More Information on Solar Urticaria: Outdoor Allergies
"Sun Protection Factor" is more commonly referred to as "SPF" in the medical community. SPF
A measure for indicating the level of sun protection in sunscreen products. The higher the SPF, the greater the degree of protection. Projects should note separately if they block ultraviolet A (UV-A) or B (UV-B) rays, or block both. More Information on SPF: Skin & Hair Basics
Itchy red spots or blisters that appear on the skin immediately or within a few hours of sun exposure on skin areas that were exposed. Fair skinned people are more at risk for this rash, which can be prevented by wearing high-protection sun screen. More Information on Sun Rash: Skin Signs & Symptoms
Direct sun exposure may lead to many problems in children, such as sunburns and heat stroke, and may increase their risk of developing skin cancers when they get older. Limiting this exposure by using sunscreens and staying in the shade helps. More Information on Sun Safety & Children: Pediatric First Aid & Safety
"Sun Sensitivity" is more commonly referred to as "Photosensitivity" in the medical community. Photosensitivity
Also Known As: "Light Sensitivity, Light Allergy, Sun Allergy"
An increase sensitivity to sunlight that may result in skin eruptions, such as pimples, blisters or hives. More Information on Photosensitivity: Skin & Hair Basics
"Sun Urticaria" is more commonly referred to as "Solar Urticaria" in the medical community. Solar Urticaria
Also Known As: "Solar Hives, Sun Hives"
A rare type of sun allergy in which sunlight produces hives on the exposed skin within minutes of exposure. It is more common in young women. More Information on Solar Urticaria: Outdoor Allergies
"Sun's Soup" is more commonly referred to as "Selected Vegetables" in the medical community. Selected Vegetables
Also Known As: "Cancer Soup"
Blends of vegetables known to have anticancer or immune-boosting properties that may be sold as dietary supplements. No clinical evidence is yet available to support the use of these substances in cancer treatment.
Occurs when the skin is burned due to exposure to the sun or other ultraviolet light source that exceeds the ability of the body's protective pigment (melanin) to protect the skin. Lighter-skinned people burn more quickly. More Information on Sunburn: Skin & Hair Basics
Also Known As: "Short Lasting Unilateral Neuralgiform Headache"
A rare form of headache most common in men after age 50 and marked by bursts of burning, stabbing or throbbing pain. Attacks occur in daytime hours and last from five seconds to four minutes each. There may be five to six attacks an hour. More Information on SUNCT Headache: Headache & Migraine
Products applied to the skin that protect against long and short wavelengths of ultraviolet light, the part of sunlight that burns skin and causes cancerous changes. Sunscreens with high sun protection factor (SPF) offer greater protection. More Information on Sunscreens: Skin & Hair Basics
"Sunstroke" is more commonly referred to as "Heat Stroke" in the medical community. Heat Stroke
A condition in which body temperature rises and the body's sweating function fails. The body cannot cool itself and temperatures may rise as high as 106 degrees F in 10 to 15 minutes. It can be fatal or result in permanent disability. More Information on Heat Stroke: First Aid & Safety
"Suntan" is more commonly referred to as "Tanning" in the medical community. Tanning
Darkening of the skin from exposure to UVA and UVB radiation from sunlight. UVA radiation causes immediate tanning which lasts a few hours or days. UVB radiation causes delayed tanning which appears a few days after exposure and lasts longer. More Information on Tanning: Skin & Hair Basics
Also Known As: "Clustered Water, Oxygenated Water, Activated Water, Hexagonal Water, Pentagonal Water, Alkanized Water, Hydrogenated Water"
Waters which supposedly have nutritional or spiritual value based on the physical structure of the water's atoms. These claims are widely rejected by the scientific community. More Information on Super Ionized Water: Water & Hydration
A type of medication used in the treatment of high blood lipids levels (e.g., cholesterol and triglycerides). Statins block the production of specific enzymes used by the body to make cholesterol. More Information on Super Statins: Cholesterol
The part of the unconscious mind that serves as a person's conscience and is associated with ethics, standards and self-criticism. More Information on Superego: Emotional Health Basics
"Superficial Bladder Cancer" is more commonly referred to as "Bladder Cancer" in the medical community. Bladder Cancer
Also Known As: "Urinary Bladder Cancer, Transitional Cell Carcinoma"
Malignant cell growth in the cells of the bladder, an organ that holds urine until it is released from the body. The cells can develop in the lining (superficial), within specific bladder cells (transitional cells, squamous cells, adrenal cells). More Information on Bladder Cancer: Kidney, Liver & Urinary Cancer
Gastritis caused by the inflammation and irritation of the upper most layers of the stomach lining. More Information on Superficial Gastritis: Gastritis & Ulcer
The most common type of self-mutilation, involving superficial to moderate lacerations (cutting) or burns of one's own skin. It is most often seen with personality disorders. More Information on Superficial Self Mutilation: Emotional Signs & Symptoms
The most common type of melanoma, it is usually flat, jagged in shape and irregular in color, with varying shades of black and brown. It appears at any age or site and is most common in Caucasians. More Information on Superficial Spreading Melanoma: Skin Cancer
The formation of an obstructing blood clot in the superficial veins near the surface of the skin. While painful, this form of thrombophlebitis is not serious. However, it may be a sign of a serious condition called deep vein thrombosis (DVT). More Information on Superficial Vein Thrombophlebitis: Vascular Disease
Also Known As: "Superficial Vein Thrombophlebitis"
The formation of an obstructing blood clot in the superficial veins near the surface of the skin. While painful, this form of thrombophlebitis is not serious. However, it may be a sign of a serious condition called deep vein thrombosis (DVT). More Information on Superficial Vein Thrombosis: Vascular Disease
A small band of skin running above and between the two front teeth that attaches to the inside tissue of the lips. There is one between the two upper teeth (superior or upper) and one between the two lower teeth (inferior or lower), More Information on Labial Frenum: Oral Health Basics
"Superior Laryngeal Neuralgia" is more commonly referred to as "Laryngeal Neuralgia" in the medical community. Laryngeal Neuralgia
Also Known As: "Vagal Laryngeal Neuralgia"
Fast and severe pain along the branches of the vagus nerve (in the head). It may be perceived as a lightning strike of pain to the face or jaw. It is a rare type of cranial neuralgia. Pain comes in short bursts and repeated attacks are common. More Information on Laryngeal Neuralgia: Ear, Eye & Face Pain
"Superior Meatus" is more commonly referred to as "Meatus" in the medical community. Meatus
Also Known As: "Nasal Meatus, Middle Meatus, Nose Meatus, Inferior Meatus"
The spaces between the turbinates -- round structures within the outside walls of the nose that run along the length of the nasal cavities. They are named for the turbinates above them (superior, middle and inferior). More Information on Meatus: Nose & Throat
"Superior Sulcus Tumors" is more commonly referred to as "Pancoast Tumor" in the medical community. Pancoast Tumor
Also Known As: "Pulmonary Sulcus Tumor"
A type of non-small-cell lung cancer that begins in the area of the lungs called the superior sulcus. More Information on Pancoast Tumor: Lung & Chest Cancer
"Superior Turbinates" is more commonly referred to as "Turbinates" in the medical community. Turbinates
Also Known As: "Nasal Turbinates, Middle Turbinates, Nose Turbinates, Inferior Turbinates"
Three round structures inside each nasal cavity that run along the length of the nasal septum. They are named for their location superior (uppermost, near the bridge or the nose) middle and inferior (lowermost, near the nostrils). More Information on Turbinates: Nose & Throat
"Superior Vena Cava" is more commonly referred to as "Vena Cava" in the medical community. Vena Cava
Also Known As: "Inferior Vena Cava"
Whereas the superior vena cava draws blood from the upper portion of the body, the inferior vena cava draws blood from the lower portion. Both bring the blood to the upper-right chamber of the heart (right atrium). More Information on Vena Cava: Vascular Disease
A genetic mutation that causes an additional ovary separated from the normally situated ovaries More Information on Supernumerary Ovary: Uterine & Ovarian Health
A tooth that appears in addition to the standard number of teeth. Both hereditary and environmental factors appear to play a role in the condition. More Information on Supernumerary Tooth: Pediatric Dental
A content label that must appear on all dietary supplements and that is similar to the "Nutrition Facts" panel that appears on most processed foods. More Information on Supplement Facts Panel: Nutrition Basics
Also Known As: "Nutritional Supplements, Dietary Supplements"
Extra sources of dietary components such as vitamins and minerals that are taken in addition to food. They are available as tablets, capsules, powders and other preparations. More Information on Supplements: Herbs & Supplements
Groups of people with similar problems who gather to share their experiences and provide emotional and moral support for one another, as well as practical information. These groups help people with many types of emotional disorders. More Information on Support Groups: Therapy & Support
Assistance in finding a job for people with mental disorders. This typically includes helping the patient in the job search and negotiating with the employer to secure the job and may be an important part of successful therapy. More Information on Supported Employment: Therapy & Support
"Supporting Heart Patients" is more commonly referred to as "When a Loved One Has Heart Disease" in the medical community. When a Loved One Has Heart Disease
Also Known As: "Helping Heart Patients"
This article is written for the loved ones of heart patients who are dealing with the short-term stress of a test, procedure or recent diagnosis of a loved one with heart disease. It includes research and practical coping strategies. More Information on When a Loved One Has Heart Disease: Heart Basics
Conscious inhibition of thoughts or desires that are considered unacceptable. It differs from repression, in which thoughts are inhibited through an unconscious process.
"Suppurative Otitis Media" is more commonly referred to as "Acute Otitis Media" in the medical community. Acute Otitis Media
Also Known As: "AOM"
Inflammation of the middle ear (otitis media) with infection. Pus develops inside the inner ear, sometimes causing the eardrum to become red and bulge. More Information on Acute Otitis Media: Ear Conditions
Small, bean-shaped organs found just above the clavicle (collarbone). They are part of the lymphatic system and filter antigens (foreign substances) from the lymph fluid, fighting off infection or disease. More Information on Supraclavicular Lymph Nodes: Cancer Basics
"Supratentorial Primitive Neuroectodermal Tumors" is more commonly referred to as "Medulloblastomas" in the medical community. Medulloblastomas
Also Known As: "Neuroectodermal Tumors, Primitive Neuroectodermal Tumors"
Rare type of brain tumor that appears to develop from primitive nerve cells that normally do not remain in the body after birth. They are usually found in children or young adults. More Information on Medulloblastomas: Brain & Nerve Cancer
Also Known As: "SVT, Sustained Paroxysmal Supraventricular Tachycardia, Paroxysmal Supraventricular Tachycardia, Sustained PSVT, PSVT"
A type of tachycardia, or rapid heart beat, that originates in either the heart's upper chambers (atria) or the AV node. It may come and go (paroxysmal) or occur more regularly (sustained). More Information on Supraventricular Tachycardia: Arrhythmia
"Surface Microscopy" is more commonly referred to as "Dermatoscopy" in the medical community. Dermatoscopy
Also Known As: "Dermoscopy, Epiluminescence Microscopy"
A technique for viewing skin lesions that helps distinguish between suspicious moles and other pigmented lesions. An instrument called a dermoscope allows viewing of the lesion at the dermo-epidermal junction, where melanomas usually develop. More Information on Dermatoscopy: Dermatitis, Eczema & Hives
A procedure that is usually done in an operating room in a hospital by a surgeon. In most cases, patients are "put to sleep" by general anesthesia before the surgery is performed. More Information on Surgery: Healthcare Basics
Pregnant women who require surgery have specific factors to consider, including the medications that will be administered, the risks and benefits of a procedure and potential mortality of mother and/or fetus. More Information on Surgery During Pregnancy: Pregnancy Management
"Surgical Ablation" is more commonly referred to as "Cardiac Ablation" in the medical community. Cardiac Ablation
Also Known As: "Radiofrequency Catheter Ablation, AV Node Ablation, Catheter Ablation"
A procedure in which a physician destroys (ablates) very small, carefully selected parts of the heart that are causing tachycardia - a very fast heartbeat. Then the heart can beat more slowly and normally again. More Information on Cardiac Ablation: Arrhythmia
"Surgical Angiography" is more commonly referred to as "Embolization" in the medical community. Embolization
Also Known As: "Therapeutic Embolization, Embolotherapy, Neuroiterventional Radiology"
Process of inserting chemicals or other materials in the blood to reduce blood flow. Reduces bleeding from an injury or blocks blood flow to an area of the body (e.g., a tumor). It also refers to the process by which blood clots form embolisms. More Information on Embolization: Blood Clot
"Surgical Biopsy" is more commonly referred to as "Biopsy" in the medical community. Biopsy
Also Known As: "Fine Needle Aspiration, Endoscopic Biopsy, Aspiration Biopsy, Punch Biopsy, Needle Biopsy, Fine Needle Biopsy, Core Biopsy"
Removal of tissue from a body area suspected of being cancerous. It can be performed in a variety of ways, including skin scraping, endoscopy, using a needle to remove a small amount of tissue or through surgery. More Information on Biopsy: Cancer Basics
The extraction of a tooth through the gum and possibly through the jawbone (for teeth that have not yet erupted or have broken off at the gumline and cannot be removed with a simple extraction). It usually performed by an oral surgeon. More Information on Surgical Extraction: Oral Health Basics
The cessation of menstrual periods in young women through the surgical removal of the ovaries (oophorectomy). Removal of the ovaries may or may not be accompanied by the removal of the uterus (hysterectomy). More Information on Surgical Menopause: Menopause & HRT
"Surgical Oncologist" is more commonly referred to as "Oncologist" in the medical community. Oncologist
Also Known As: "Medical Oncologist"
A physician who specializes in the diagnosis and treatment of cancer. Types include general adult (medical oncologist) or specialties in surgery (surgical oncologist), radiation therapy (radiation oncologist) or pediatrics (pediatric oncologist). More Information on Oncologist: Cancer Basics
"Surgical Pericardiotomy" is more commonly referred to as "Pericardiocentesis" in the medical community. Pericardiocentesis
Also Known As: "Percutaneous Balloon Pericardiotomy, Pericardiostomy, Pericardial Effusion Tap, Tube Pericardiostomy, Pericardial Tap, Pericardiotomy, Aspiration of Pericardial Fluid"
An invasive procedure in which fluid is removed from the pericardium -- a protective sac surrounding the heart. The fluid may be removed by a needle, through a catheter or as part of surgery. This may be done for diagnostic or treatment purposes. More Information on Pericardiocentesis: Heart Injuries & Infections
Surgical procedures used to treat and/or manage disorders and diseases that cause pain. These involve the use of anesthetic to avoid pain sensation during treatment, the anesthetic may be general, regional or local (specific to one area). More Information on Surgical Therapy: Pain Management
The extraction of a tooth through the gum and possibly through the jawbone (for teeth that have not yet erupted or have broken off at the gumline and cannot be removed with a simple extraction). It usually performed by an oral surgeon. More Information on Surgical Tooth Extraction: Oral Health Basics
A woman who carries a fetus to term and gives the child to a single person or couple upon birth. The woman may have a fertilized egg implanted into her uterus, or may be the biological mother of the child. More Information on Surrogate Mother: Fertility Issues
Also Known As: "Paroxysmal Supraventricular Tachycardia, Sustained PSVT, PSVT, SVT"
A type of tachycardia, or rapid heart beat, that originates in either the heart's upper chambers (atria) or the AV node. It may come and go (paroxysmal) or occur more regularly (sustained). More Information on Sustained Paroxysmal Supraventricular Tachycardia: Arrhythmia
Also Known As: "Paroxysmal Supraventricular Tachycardia, PSVT, SVT, Sustained Paroxysmal Supraventricular Tachycardia"
A type of tachycardia, or rapid heart beat, that originates in either the heart's upper chambers (atria) or the AV node. It may come and go (paroxysmal) or occur more regularly (sustained). More Information on Sustained PSVT: Arrhythmia
A type of tremor that is most prominent when a muscle is trying to maintain a certain position, hold an object or bear weight. More Information on Sustention Tremors: Neuro Signs & Symptoms
Also Known As: "Sustained Paroxysmal Supraventricular Tachycardia, Paroxysmal Supraventricular Tachycardia, Sustained PSVT, PSVT"
A type of tachycardia, or rapid heart beat, that originates in either the heart's upper chambers (atria) or the AV node. It may come and go (paroxysmal) or occur more regularly (sustained). More Information on SVT: Arrhythmia
"Swallowing Disorder" is more commonly referred to as "Dysphagia" in the medical community. Dysphagia
Also Known As: "Difficulty Swallowing"
Pain or difficulty swallowing. It can be caused by a variety of conditions, which may be minor or serious. Patients should report this symptom immediately to their physician. More Information on Dysphagia: Oral Signs & Symptoms
"Swan-Ganz Catheter" is more commonly referred to as "Catheter" in the medical community. Catheter
Also Known As: "Arteriovenous Shunt Catheter, Peripheral Intravenous Catheter, Hickman Catheter, Coronary Perfusion Catheter, Implantable Venous Catheter, Guiding Catheter"
A long, thin, hollow tube that is inserted by a physician into a large blood vessel and fed to a target area (e.g., the heart). This allows the physician to perform sophisticated, minimally invasive tests and procedures. More Information on Catheter: Catheter Tests & Procedures
"Sweat" is more commonly referred to as "Perspiration" in the medical community. Perspiration
Also Known As: "Hidrosis"
The process by which fluid leaves the body through sweat glands. It helps regulate body temperature and occurs in response to heat, exercise or stress. The fluid can also be called perspiration, or sweat. More Information on Perspiration: Perspiration & Chafing
A safe, painless test given to children to distinguish between asthma and cystic fibrosis. A drug is given to induce sweating, which is measured for sodium and chloride levels. Cystic fibrosis increases the levels of both these salts in sweat. More Information on Sweat Test: Pediatric Health Basics
Also Known As: "Clam Digger Itch, Cercarial Dermatitis, Duckworms, Rice Paddy Itch"
Itchy, patchy, red pinpoint skin rash that affects parts of the body that have been in water. Itching may begin within 48 hours and last up to a week before ceasing. It is usually caused by trematode parasites of aquatic/migrating birds. More Information on Swimmer Itch: Dermatitis, Eczema & Hives
Also Known As: "External Ear Infection, Otitis Externa, External Otitis"
Inflammation and irritation of the outer ear canal. It is generally due to a bacterial or fungal infection caused by water trapped in the ear canal. Symptoms include itching, pain, redness and discharge. More Information on Swimmer's Ear: Ear Conditions
A water sport that strengthens the heart and arms. Water’s natural buoyancy and quality of providing resistance without impact makes this a great low impact workout. More Information on Swimming: Workouts A-Z
Enlarged lymph nodes. These may swell as they produce antibodies to fight an infection. If they are not tender or red, they will usually return to normal size once the infection has been dealt with. More Information on Swollen Glands: Pediatric Signs & Symptoms
A neurological disorder indicated at birth by seizures and a large port-wine stain birthmark on the forehead and upper eyelid of one side of the face. Convulsions usually affect the side of the body opposite the birthmark. More Information on SWS: Skin Discoloration
Also Known As: "Sydenham Disease, Saint Vitus Dance"
A complication of rheumatic fever characterized by uncontrolled repetitive, jerky movements (chorea) that can last for several months. More Information on Sydenham Chorea: Movement Disorders
A complication of rheumatic fever characterized by uncontrolled repetitive, jerky movements (chorea) that can last for several months. More Information on Sydenham Disease: Movement Disorders
"Sympathetic Dystrophy Syndrome" is more commonly referred to as "Complex Regional Pain Syndrome" in the medical community. Complex Regional Pain Syndrome
Also Known As: "CRPS, CRP Syndrome"
Persistent pain of an extremity associated with interruption in the nerve supply to its blood vessels, in the nutrition to the skin, and in the mobility of the joints. More Information on Complex Regional Pain Syndrome: Arm & Leg Pain
One of the two branches (along with the parasympathetic nervous system) of the autonomic nervous system, which controls involuntary functions (e.g., pulse). The sympathetic nervous system tends to speed up these functions under stress. More Information on Sympathetic Nervous System: Brain & Nerve Basics
A change in sensation or bodily function that is associated with a particular disease. Physicians use a patient's symptoms to help more accurately diagnose and treat a disorder.
"Symptomatic Polio" is more commonly referred to as "Polio" in the medical community. Polio
Also Known As: "Asymptomatic Polio, Paralytic Polio, Poliomyelitis, Abortive Polio, Infantile Paralysis, Nonparalytic Polio, Spinal Polio"
A contagious viral infection that affects the nervous system and may cause paralysis. It is most common in children under the age of 3. Use of vaccines to prevent polio has virtually eliminated the disease in the Western Hemisphere. More Information on Polio: Infectious Disease Basics
The functional connection between a nerve cell axon and target cells (e.g., nerve cells, muscle cells, gland cells). At this site, the axon releases a chemical neurotransmitter that binds to receptors that change the target cell's behavior. More Information on Synapse: Brain & Nerve Basics
"Synarthrosis Joint" is more commonly referred to as "Joint" in the medical community. Joint
Also Known As: "Fibrous Joint, Amphiarthrosis Joint, Cartilaginous Joint, Diarthrosis Joint, Synovial Joint"
The location where two bones connect that may be made of fibrous tissue (fibrous), cartilage (cartilaginous) or space (synovial). Joints may permit no motion (synarthrosis), little motion (amphiarthrosis) or a variety of movements (diarthrosis).
"Synbiotics" is more commonly referred to as "Probiotics & Prebiotics" in the medical community. Probiotics & Prebiotics
Substances or organisms that help improve the balance of helpful and harmful bacteria in the gastrointestinal (GI) tract. They can aid in digestion and prevent GI problems. The may be found alone or combined (synbiotics) in foods and supplements. More Information on Probiotics & Prebiotics: Herbs & Supplements
"Syncope & Children" is more commonly referred to as "Fainting & Children" in the medical community. Fainting & Children
A sudden and temporary loss of consciousness resulting from inadequate blood flow to the brain. More Information on Fainting & Children: Pediatric Signs & Symptoms
"Syncope & Diabetes" is more commonly referred to as "Fainting & Diabetes" in the medical community. Fainting & Diabetes
A temporary loss of consciousness resulting from inadequate blood flow to the brain. In people with diabetes, fainting may occur as a result of low glucose levels or underlying cardiovascular conditions. More Information on Fainting & Diabetes: Diabetes Signs & Symptoms
A group of symptoms or conditions that occur together and suggest the presence of a certain disease or condition, or increased risk of developing a disease or condition.
Cardiac Syndrome X is a set of symptoms similar to those of coronary artery disease, but without the typical signs. Metabolic Syndrome X is a set of metabolic risk factors for a heart attack (e.g., high blood pressure) that cluster in some people. More Information on Syndrome X Basics: Heart Basics
Benign, fluid-filled sacs that develop in the facet joints of the lumbar spine due to degeneration. Large one can cause spinal stenosis, a narrowing of the spinal canal that places pressure on spinal nerves and causes pain. More Information on Synovial Cysts: Pain Basics
Also Known As: "Joint Fluid Analysis, Joint Fluid Aspiration"
Lab analysis of a sample of synovial fluid (a clear, sticky fluid that is a lubricant for joints and tendons). Infections from bacteria or other sources can be identified in the fluid, aiding in treatment for joint problems. More Information on Synovial Fluid Analysis: Pain Lab Tests
"Synovial Joint" is more commonly referred to as "Joint" in the medical community. Joint
Also Known As: "Fibrous Joint, Amphiarthrosis Joint, Cartilaginous Joint, Diarthrosis Joint, Synarthrosis Joint"
The location where two bones connect that may be made of fibrous tissue (fibrous), cartilage (cartilaginous) or space (synovial). Joints may permit no motion (synarthrosis), little motion (amphiarthrosis) or a variety of movements (diarthrosis).
Thin layer of connective tissue that surrounds and protects joints. It produces fluid (synovial fluid) that lubricates and nourishes the joints. More Information on Synovium: Pain Basics
A synthetic form of human amylin, a hormone secreted in the body along with insulin which increases insulin sensitivity. It is an antidiabetic agent approved for use in treating both type 1 and type 2 diabetes when insulin alone is not able to control blood sugar levels. More Information on Synthetic Amylin: Diabetes & Endocrine Drugs
A sexually transmitted disease (STD) that can cause lesions in the heart, blood vessels, brain and spinal cord. It can be fatal if untreated, but is curable with antibiotics. It is caused by the bacterium Treponema pallidum. More Information on Syphilis: STD & Genital Infections
A sexually transmitted disease (STD) that can cause complications in multiple systems if left untreated. All pregnant women should be tested for syphilis to prevent congenital syphilis from affecting their babies. More Information on Syphilis & Women: STD & Genital Infections
"Syphilitic Spinal Sclerosis" is more commonly referred to as "Tabes Dorsalis" in the medical community. Tabes Dorsalis
Also Known As: "Progressive Locomotor Ataxia"
Slow degeneration of nerve cells and fibers that carry sensory information to the brain. Degenerating nerves are in the dorsal columns of the spinal cord and carry information that help maintain a person's sense of position. More Information on Tabes Dorsalis: Movement Disorders
Device used to inject medication, such as insulin, into the body. A syringe generally consists of a needle, barrel and plunger. The size of a syringe should match the strength of prescribed insulin. More Information on Syringes: Insulin
"Syringohydromyelia" is more commonly referred to as "Hydromyelia" in the medical community. Hydromyelia
Widening of the central canal of the spinal cord that creates a cavity in which cerebrospinal fluid may accumulate. This places pressure on the spinal cord. Symptoms include weakness (hands, arms, legs) and sensory loss (neck, arms). More Information on Hydromyelia: Head & Spine Injury
A disorder in which a cyst forms within the spinal cord and expands and elongates over time, destroying the center of the spinal cord. Symptoms include pain, weakness, and stiffness in the back, shoulders, arms or legs. More Information on Syringomyelia: Back, Neck & Shoulder Pain
"Systematic Hypertension" is more commonly referred to as "Types of High Blood Pressure" in the medical community. Types of High Blood Pressure
Also Known As: "Secondary Hypertension, Renovascular Hypertension, Hypertensive Encephalopathy"
There are a number of different types of high blood pressure (hypertension), including primary, secondary, renovascular, labile, malignant and resistant. More Information on Types of High Blood Pressure: Blood Pressure
A condition in which patients lose their memory of specific categories of information, such as certain places or people. For example, a patient may lose all memories associated with one specific person in his or her life. More Information on Systematized Amnesia: Cognitive & Related Disorders
Medical term used to describe conditions or medications that affect the entire body. Diabetes is a systemic condition because it impacts several parts of the body, including the pancreas, eyes, kidneys, heart and nerves.
"Systemic Congestion" is more commonly referred to as "Congestion" in the medical community. Congestion
Too much blood or fluid in the organs or tissues of the body. Systemic congestion affects the entire body rather that just one area. More Information on Congestion: Heart Signs & Symptoms
"Systemic Inflammatory Response Syndrome" is more commonly referred to as "Postpump Syndrome" in the medical community. Postpump Syndrome
Also Known As: "Adult Respiratory Distress Syndrome, Acute Lung Injury, ARDS, Pump Syndrome"
A potentially fatal condition that occurs in only 1 to 2 percent of people who have had bypass surgery. Researchers continue to investigate its causes and treatments. More Information on Postpump Syndrome: Bypass Surgery
Also Known As: "Systemic Onset Juvenile Rheumatoid Arthritis"
A rare, system-wide form of juvenile rheumatoid arthritis that often involves high fever, rash and inflammation of organs (e.g., heart, lungs). Onset during adulthood is even more rare, but possible. More Information on Systemic JRA: Arthritis
"Systemic Lupus Erythematosus" is more commonly referred to as "Lupus" in the medical community. Lupus
Also Known As: "Neurological Sequelae Lupus, SLE"
A chronic autoimmune disease that can cause inflammation of joints (arthritis), blood vessels (vasculitis), the lining of organs such as the heart (pericarditis) or lungs (pleuritis) and other problems. It also involves skin rashes. More Information on Lupus: Autoimmune Basics
"Systemic Nocardiosis" is more commonly referred to as "Nocardiosis" in the medical community. Nocardiosis
Also Known As: "Nocardia Infection, Pulmonary Nocardiosis"
Infectious disease caused by the Nocardia asteroides bacteria or other species that affects either the lungs (pulmonary) or the whole body (systemic nocardiosis). Infection may occur through inhalation or exposure to contaminated soil. More Information on Nocardiosis: Pneumonia & Lung Infection
Also Known As: "Systemic Onset Juvenile Rheumatoid Arthritis, Systemic JRA"
A rare, system-wide form of juvenile rheumatoid arthritis that often involves high fever, rash and inflammation of organs (e.g., heart, lungs). Onset during adulthood is even more rare, but possible. More Information on Systemic Onset JRA: Arthritis
A rare, system-wide form of juvenile rheumatoid arthritis that often involves high fever, rash and inflammation of organs (e.g., heart, lungs). Onset during adulthood is even more rare, but possible. More Information on Systemic Onset Juvenile Rheumatoid Arthritis: Arthritis
"Systemic Rheumatic Disease" is more commonly referred to as "Rheumatoid Arthritis" in the medical community. Rheumatoid Arthritis
Also Known As: "RA, Rheumatoid Disease, Rheumatic Joint Disease, Subacute Rheumatic Arthritis, Acute Rheumatic Arthritis"
A chronic disease involving inflammation of the joints that can lead to damage, pain and a limitation of movement. There are three phases of the disease: inflammation, thickening and finally damage to the joint. Early treatment can lessen damage. More Information on Rheumatoid Arthritis: Arthritis
"Systemic Scleroderma" is more commonly referred to as "Generalized Scleroderma" in the medical community. Generalized Scleroderma
Also Known As: "Diffuse Scleroderma, Limited Scleroderma, Systemic Sclerosis"
A chronic, progressive condition involving the thickening, tightening or hardening of body areas. It begins with the skin, then later involves the lungs, blood vessels, kidneys, intestines or other organs. The two main types are diffuse and limited. More Information on Generalized Scleroderma: Psoriasis & Autoimmune Skin
"Systemic Sclerosis" is more commonly referred to as "Generalized Scleroderma" in the medical community. Generalized Scleroderma
Also Known As: "Diffuse Scleroderma, Limited Scleroderma, Systemic Scleroderma"
A chronic, progressive condition involving the thickening, tightening or hardening of body areas. It begins with the skin, then later involves the lungs, blood vessels, kidneys, intestines or other organs. The two main types are diffuse and limited. More Information on Generalized Scleroderma: Psoriasis & Autoimmune Skin
"Systemic Thrombolytic Therapy" is more commonly referred to as "Thrombolysis" in the medical community. Thrombolysis
Also Known As: "Thrombolytic Therapy, Catheter Directed Thrombolysis"
A treatment that breaks up blood clots. It may include medications (e.g., "clot busters") or other therapies that are administered orally, intravenously, surgically or through a catheter. More Information on Thrombolysis: Blood Clot
The phase of the heartbeat in which the heart contracts, pumping blood from both the left and right ventricles. More Information on Systole: Blood Pressure
Referring to the phase of the heartbeat in which the heart contracts, pumping blood from both the left and right ventricles. Also, the top number in a blood pressure reading (the highest level of the blood's pressure within the artery walls). More Information on Systolic: Blood Pressure
The top number in a blood pressure reading. This measurement represents the highest level of the blood's pressure within the artery walls and corresponds to the contraction of the ventricle. More Information on Systolic Blood Pressure: Blood Pressure
"Systolic Click Murmur Syndrome" is more commonly referred to as "Mitral Valve Prolapse" in the medical community. Mitral Valve Prolapse
Also Known As: "Billowing Mitral Cusp Syndrome, J.B. Barlow Syndrome, MVP, Floppy Valve Syndrome, Barlow Syndrome"
A condition in which the flaps of the mitral valve (located between the left atrium and left ventricle) are too large and cannot close properly. As a result, blood may leak back through the valve (regurgitation), when it should only move forward. More Information on Mitral Valve Prolapse: Heart Valve
"Systolic Heart Failure" is more commonly referred to as "Heart Failure" in the medical community. Heart Failure
Also Known As: "Diminished Heart Capacity, Congestive Heart Failure, Diastolic Heart Failure, Left-Ventricular Heart Failure, CHF, LV Heart Failure, Left Sided Heart Failure"
A chronic condition in which at least one chamber of the heart is not pumping well enough to meet the body's needs. This leads to congestion in the lungs or pulmonary blood vessels and may cause fluid backup or swelling in the lungs, legs and ankles. More Information on Heart Failure: Heart Failure
"Systolic Murmur" is more commonly referred to as "Heart Murmur" in the medical community. Heart Murmur
Also Known As: "Continuous Murmur, Cardiac Murmur, Murmur, Diastolic Murmur"
An abnormal heart sound. It may stem from a heart valve problem or be "innocent" (unassociated with disease). It may increase the risk of infection from dental procedures, leading to the prophylactic use of antibiotics. More Information on Heart Murmur: Heart Signs & Symptoms
/pain_89.jpg "Fibromyalgia pain")
/doctor_89.jpg "ulcerative colitis tips")
