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.
An open sore that usually occurs in the lining of the stomach (peptic ulcer), but can occur anywhere in the lining of the gastrointestinal tract. Caused by bacterial infection, smoking or use of some medications. More Information on Ulcer: Gastritis & Ulcer
A type of inflammatory bowel disease that involves chronic inflammation of the large intestine that produces ulcers in its lining. It causes symptoms such as abdominal pain, cramps and loose discharge of pus, blood and mucus from the bowel. More Information on Ulcerative Colitis: Inflammatory Bowel (Colitis)
A common and typically mild form of ulcerative colitis that involves inflammation and the development of ulcers within the rectum and anal area. More Information on Ulcerative Proctitis: Anal & Rectal Disorders
"Ullrich-Noonan Syndrome" is more commonly referred to as "Noonan Syndrome" in the medical community. Noonan Syndrome
Also Known As: "Turner-Like Syndrome, Male Turner Syndrome, Turner Phenotype With Normal Karyotype, Familial Turner Syndrome, Pseudo-Ullrich-Turner Syndrome, Turner Syndrome In Female With X Chromosome, Female Pseudo-Turner Syndrome"
A type of multiple congenital anomaly/mental retardation (MCA/MR) syndrome that affects the heart, normal growth and development, blood clotting and more. About two thirds of Noonan Syndrome patients have some form of congenital heart disease. More Information on Noonan Syndrome: Pediatric Heart
Also Known As: "Calcium CT, Ultrafast CT, Electron Beam Computed Tomography, Heart Scan, EBCT, Ultrafast Heart Scan"
A test that takes multiple clear pictures of the beating heart and the coronary arteries. It also locates and measures the calcium deposits in the coronary arteries, which may provide an indication of how much hard (calcified) plaque is present. More Information on Ultrafast Computed Tomography: Heart Imaging & Rhythm Tests
Also Known As: "Calcium CT, Electron Beam Computed Tomography, Heart Scan, EBCT, Ultrafast Heart Scan"
A test that takes multiple clear pictures of the beating heart and the coronary arteries. It also locates and measures the calcium deposits in the coronary arteries, which may provide an indication of how much hard (calcified) plaque is present. More Information on Ultrafast CT: Heart Imaging & Rhythm Tests
Also Known As: "Calcium CT, Electron Beam Computed Tomography, Heart Scan, EBCT, Ultrafast CT"
A test that takes multiple clear pictures of the beating heart and the coronary arteries. It also locates and measures the calcium deposits in the coronary arteries, which may provide an indication of how much hard (calcified) plaque is present. More Information on Ultrafast Heart Scan: Heart Imaging & Rhythm Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels. More Information on Ultrasonography: Imaging Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Ultrasound is a common test used for many chronic diseases, including diabetes. More Information on Ultrasonography & Diabetes: Diabetes & Endocrine Tests
Imaging technology that uses sound waves to produce images of the shape and outline of tissues and organs in the body. Ultrasound technology is used to monitor the progress of various obstetric and gynecological conditions. More Information on Ultrasonography & Women: ObGyn Imaging Tests
Also Known As: "Sonogram, Ultrasonography, Ultrasound Scan"
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels. More Information on Ultrasound: Imaging Tests
An imaging technology that uses sound waves to produce images. Ultrasound is especially useful in identifying cancer when a tumor is located in soft tissue and it is unclear whether an abnormality is a cyst (sac of fluid) or a solid mass. More Information on Ultrasound & Cancer: Cancer Imaging Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Ultrasound is a common test used for many chronic diseases, including diabetes. More Information on Ultrasound & Diabetes: Diabetes & Endocrine Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Used to diagnose and monitor digesitve disorders. More Information on Ultrasound & Digestive Disorders: Digestive Imaging Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. This test can help a physician find the source of chest pain, abdominal pain, pelvic pain and sexual pain. More Information on Ultrasound & Pain Disorders: Pain Imaging Tests
Imaging technology that uses sound waves to produce images of the shape and outline of tissues and organs in the body. Ultrasound technology is used to monitor the progress of various obstetric and gynecological conditions. More Information on Ultrasound & Women: ObGyn Imaging Tests
An imaging technology that uses sound waves to produce images of the shape and outline of various tissues and organs in the body. Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels. More Information on Ultrasound Scan: Imaging Tests
Treatment that uses a machine to generate high-frequency sound waves that are delivered through a gel on the patient's skin and into the body. It can help reduce pain, increase blood supply and soften fibrous tissues. More Information on Ultrasound Therapy: Pain Management
A prediction of the next day's ultraviolet radiation level rated on a scale of 1 to 11. Exposure to ultraviolet radiation may be harmful and the scale helps people determine adequate skin protection measures. More Information on Ultraviolet Index: Skin & Hair Basics
Invisible sun rays that can damage the skin causing melanoma and other types of skin cancer. Ultraviolet A (UVA) and B (UVB) reach the earth's surface and affect skin. Ultraviolet C (UVC) is absorbed in the upper atmosphere. More Information on Ultraviolet Radiation: Skin & Hair Basics
Japanese term that describes a delicious meaty or savory sensation. Chemically, this taste detects the presence of glutamate, one of the most common amino acids.
The injection of umbilical cord blood, which contain stem cells that can restore a patient's own production of blood. More Information on Umbilical Cord Blood Transplant: Cancer Lab Tests
A weakness in the abdominal wall near the navel that allows a portion of an internal organ, usually the small intestine, to protrude, causing a bulge in the skin. Most cases heal without treatment, but surgery may be needed for some. More Information on Umbilical Cord Hernia: Newborn Care
A weakness in the abdominal wall near the navel that allows a portion of an internal organ, usually the small intestine, to protrude, causing a bulge in the skin. Most cases heal without treatment, but surgery may be needed for some. More Information on Umbilical Hernia: Newborn Care
/happyarms_89.jpg "Sneeze No More")