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.
"Junctional Ectopics" is more commonly referred to as "Premature Junctional Contractions" in the medical community. Premature Junctional Contractions
Also Known As: "Premature Junctional Complexes, PJC, Premature Junctional Rhythms, Junctional Premature Beats, Junctional Extrasystoles"
A heartbeat that occurs when the heart's lower chambers (ventricles) are told to pump by a signal that came from the AV junction rather than the sinoatrial node, the heart's natural pacemaker. More Information on Premature Junctional Contractions: Arrhythmia
A form of epidermolysis bullosa, a genetic blistering disease, that may be mild or severe. Blisters occur due to separation from the dermis and epidermis. Mucous membranes may be affected. Scarring may occur. More Information on Junctional Epidermolysis Bullosa: Skin & Hair Basics
"Junctional Escape Beats" is more commonly referred to as "Escape Beats" in the medical community. Escape Beats
Also Known As: "Escape Contraction, Ventricular Escape Beats, Escape Complex, Idioventricular Rhythm"
Signals sent to pace the heart from areas other than the sinus node (the heart's natural pacemaker). If the node is damaged, then either the AV junction (junctional escape beats) or the ventricles (ventricular escape beats) can send pacing signals. More Information on Escape Beats: Arrhythmia
"Junctional Extrasystoles" is more commonly referred to as "Premature Junctional Contractions" in the medical community. Premature Junctional Contractions
Also Known As: "Premature Junctional Complexes, PJC, Junctional Ectopics, Premature Junctional Rhythms, Junctional Premature Beats"
A heartbeat that occurs when the heart's lower chambers (ventricles) are told to pump by a signal that came from the AV junction rather than the sinoatrial node, the heart's natural pacemaker. More Information on Premature Junctional Contractions: Arrhythmia
"Junctional Premature Beats" is more commonly referred to as "Premature Junctional Contractions" in the medical community. Premature Junctional Contractions
Also Known As: "Premature Junctional Complexes, Junctional Extrasystoles, PJC, Junctional Ectopics, Premature Junctional Rhythms"
A heartbeat that occurs when the heart's lower chambers (ventricles) are told to pump by a signal that came from the AV junction rather than the sinoatrial node, the heart's natural pacemaker. More Information on Premature Junctional Contractions: Arrhythmia
Heart rhythms that result from electrical impulses originating in the AV junction. These include premature junctional contractions (PJCs) and junctional escape beats. More Information on Junctional Rhythms: Arrhythmia
Tachycardias (or abnormally fast heart rhythms) that result from electrical impulses originating in the AV junction, The area of the heart that includes the AV node, the area just above the AV node and the area just below the AV node. More Information on Junctional Tachycardia: Arrhythmia
"Jungle Fever" is more commonly referred to as "Malaria" in the medical community. Malaria
Also Known As: "Paludism, Plasmodium Infection, Malaria Disease"
A potentially fatal disease caused by a parasite that is marked by high fevers, shaking, chills and flu-like illness. Four types of malaria parasites infect humans - Plasmodium falciparum, P. vivax, P. ovale and P. malariae. More Information on Malaria: Tropical Disease
"Juvenile Acute Lymphocytic Leukemia" is more commonly referred to as "Acute Lymphocytic Leukemia in Children" in the medical community. Acute Lymphocytic Leukemia in Children
Also Known As: "Acute Lymphoblastic Leukemia in Children, Pediatric Acute Lymphocytic Leukemia, ALL in Children, Pediatric ALL, ALL Leukemia in Children, Juvenile ALL"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy. More Information on Acute Lymphocytic Leukemia in Children: Pediatric Cancer
"Juvenile Adrenocortical Carcinoma" is more commonly referred to as "Adrenocortical Carcinoma in Children" in the medical community. Adrenocortical Carcinoma in Children
Also Known As: "Pediatric Adrenocortical Carcinoma"
A rare condition in which malignant cells develop in the tissue surrounding the adrenal gland (adrenal cortex). While this can occur in adults, it is considered a different disease with different behaviors in children. More Information on Adrenocortical Carcinoma in Children: Pediatric Cancer
"Juvenile ALL" is more commonly referred to as "Acute Lymphocytic Leukemia in Children" in the medical community. Acute Lymphocytic Leukemia in Children
Also Known As: "Acute Lymphoblastic Leukemia in Children, Pediatric Acute Lymphocytic Leukemia, ALL in Children, Pediatric ALL, ALL Leukemia in Children, Juvenile Acute Lymphocytic Leukemia"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy. More Information on Acute Lymphocytic Leukemia in Children: Pediatric Cancer
The most common form of juvenile spondyloarthropathy - a type of juvenile arthritis that involves the spine as well as the tendons. Usually mild, it can produce serious complications in some children. More Information on Juvenile Ankylosing Spondylitis: Arthritis
"Juvenile Brain Tumors" is more commonly referred to as "Brain Tumors in Children" in the medical community. Brain Tumors in Children
Also Known As: "Ependymoma in Children, Pediatric Brain Tumors, Pediatric Ependymoma, Juvenile Ependymoma"
Primary brain tumors are the second most common form of cancer in childhood, next to leukemia. More Information on Brain Tumors in Children: Pediatric Cancer
"Juvenile Breast Cancer" is more commonly referred to as "Breast Cancer in Children" in the medical community. Breast Cancer in Children
Also Known As: "Pediatric Breast Cancer"
Breast cancer in children is a very rare occurrence. It is uncommon under the age of 40. The risk for breast cancer typically increases after the age of 50. More Information on Breast Cancer in Children: Pediatric Cancer
"Juvenile Bronchial Adenomas" is more commonly referred to as "Bronchial Adenomas in Children" in the medical community. Bronchial Adenomas in Children
Also Known As: "Pediatric Bronchial Carcinoids, Bronchial Carcinoids in Children, Pediatric Bronchial Adenomas, Juvenile Bronchial Carcinoids Tumors, Bronchial Carcinoids Tumors in Children, Juvenile Bronchial Carcinoids, Pediatric Bronchial Carcinoids Tumors"
Tumors in the large airways of the lung, the trachea or large bronchi, which are slow-growing tumors. Primary treatment is tumor removal surgery. Chemotherapy is indicated only if cancer spread is documented. These tumors are rare in children. More Information on Bronchial Adenomas in Children: Pediatric Cancer
"Juvenile Bronchial Carcinoids" is more commonly referred to as "Bronchial Adenomas in Children" in the medical community. Bronchial Adenomas in Children
Also Known As: "Pediatric Bronchial Carcinoids, Bronchial Carcinoids in Children, Pediatric Bronchial Adenomas, Bronchial Carcinoids Tumors in Children, Pediatric Bronchial Carcinoids Tumors, Juvenile Bronchial Adenomas, Juvenile Bronchial Carcinoids Tumors"
Tumors in the large airways of the lung, the trachea or large bronchi, which are slow-growing tumors. Primary treatment is tumor removal surgery. Chemotherapy is indicated only if cancer spread is documented. These tumors are rare in children. More Information on Bronchial Adenomas in Children: Pediatric Cancer
"Juvenile Bronchial Carcinoids Tumors" is more commonly referred to as "Bronchial Adenomas in Children" in the medical community. Bronchial Adenomas in Children
Also Known As: "Pediatric Bronchial Carcinoids, Bronchial Carcinoids in Children, Pediatric Bronchial Adenomas, Bronchial Carcinoids Tumors in Children, Juvenile Bronchial Carcinoids, Pediatric Bronchial Carcinoids Tumors, Juvenile Bronchial Adenomas"
Tumors in the large airways of the lung, the trachea or large bronchi, which are slow-growing tumors. Primary treatment is tumor removal surgery. Chemotherapy is indicated only if cancer spread is documented. These tumors are rare in children. More Information on Bronchial Adenomas in Children: Pediatric Cancer
"Juvenile Cancers" is more commonly referred to as "Cancer & Children" in the medical community. Cancer & Children
Also Known As: "Childhood Cancers, Pediatric Cancers"
Cancers in children are rare, but they are the second leading cause of death for children between the ages of 1 and 14. Treatment requires a team approach that includes physician, psychologists, nutritionists and other experts. More Information on Cancer & Children: Pediatric Cancer
"Juvenile Chemotherapy" is more commonly referred to as "Chemotherapy in Children" in the medical community. Chemotherapy in Children
Also Known As: "Pediatric Chemotherapy"
Many childhood cancers respond well to chemotherapy. Although, chemotherapy has not been shown to impact growth, it may make parts of the body more susceptible to the effects of radiation treatment. More Information on Chemotherapy in Children: Pediatric Cancer
An inflammatory disease that is the most common form of arthritis in children. It usually involves inflammation, damage, stiffness and change in growth of joints. The severity varies from mild to involving potentially serious complications. More Information on Juvenile Chronic Arthritis: Arthritis
A form of juvenile arthritis that involves skin rashes and muscle weakness. It involves inflammation of the blood vessels (vasculitis) and is a type of autoimmune disease. It can be mild, but can also cause potentially serious complications. More Information on Juvenile Dermatomyositis: Arthritis
"Juvenile Diabetes" is more commonly referred to as "Type 1 Diabetes" in the medical community. Type 1 Diabetes
Also Known As: "IDDM, Insulin Dependent Diabetes Mellitus"
A condition in which the pancreas does not produce insulin. It usually develops in childhood or adolescence, but can appear at any age. It occurs when the body's immune system destroys insulin-producing beta cells in the pancreas. More Information on Type 1 Diabetes: Type 1 Diabetes Basics
A form of juvenile arthritis that occurs along with an inflammatory bowel disease (e.g., Crohn's, ulcerative colitis). It is a type of juvenile spondyloarthropathy (arthritis that involves the spine as well as the tendons). More Information on Juvenile Enteropathic Arthritis: Arthritis
"Juvenile Ependymoma" is more commonly referred to as "Brain Tumors in Children" in the medical community. Brain Tumors in Children
Also Known As: "Ependymoma in Children, Pediatric Brain Tumors, Juvenile Brain Tumors, Pediatric Ependymoma"
Primary brain tumors are the second most common form of cancer in childhood, next to leukemia. More Information on Brain Tumors in Children: Pediatric Cancer
"Juvenile Hepatocellular Carcinoma" is more commonly referred to as "Liver Cancer in Children" in the medical community. Liver Cancer in Children
Also Known As: "Pediatric Liver Cancer, Pediatric Hepatocellular Carcinoma, Hepatocellular Cancer in Children, Hepatoblastoma, Primary Liver Cancer in Children, Juvenile Liver Cancer"
Two types of cancer that form in the tissues of the liver. Hepatoblastoma usually occurs in children under three years old. Hepatocellular carcinoma can occur at any age. More Information on Liver Cancer in Children: Pediatric Cancer
"Juvenile Hodgkin's Lymphoma" is more commonly referred to as "Hodgkin's Lymphoma in Children" in the medical community. Hodgkin's Lymphoma in Children
Also Known As: "Pediatric Hodgkin's Lymphoma"
A form of lymphoma (cancer of the lymph system) that has specific characteristics that make it unlike other forms of lymphoma (which are known as non-Hodgkin's lymphomas). About 10 to 15 percent of cases are diagnosed by age 16. More Information on Hodgkin's Lymphoma in Children: Pediatric Cancer
"Juvenile Kidney Cancer" is more commonly referred to as "Kidney Cancer in Children" in the medical community. Kidney Cancer in Children
Also Known As: "Pediatric Renal Cancer, Renal Cell Cancer in Children, Pediatric Kidney Cancer, Pediatric Renal Cell Cancer, Renal Cancer in Children, Juvenile Renal Cell Cancer, Juvenile Renal Cancer"
Most cases of childhood kidney cancers are due to Wilms tumor. Other forms that may develop include mesoblastic nephroma, which is benign, and clear cell sarcoma of the kidney. More Information on Kidney Cancer in Children: Pediatric Cancer
"Juvenile Liver Cancer" is more commonly referred to as "Liver Cancer in Children" in the medical community. Liver Cancer in Children
Also Known As: "Pediatric Liver Cancer, Pediatric Hepatocellular Carcinoma, Hepatocellular Cancer in Children, Hepatoblastoma, Primary Liver Cancer in Children, Juvenile Hepatocellular Carcinoma"
Two types of cancer that form in the tissues of the liver. Hepatoblastoma usually occurs in children under three years old. Hepatocellular carcinoma can occur at any age. More Information on Liver Cancer in Children: Pediatric Cancer
"Juvenile Myeloid Leukemias" is more commonly referred to as "Myeloid Malignancies in Children" in the medical community. Myeloid Malignancies in Children
Also Known As: "Pediatric Myeloid Leukemias, Myeloid Leukemias in Children"
Myeloid malignancies that can occur during childhood include acute myeloid leukemia (AML), myelodysplastic syndromes, juvenile myelomonocytic leukemia (JMML) and acute promyelocytic leukemia (APL). Treatment for all but APL are similar. More Information on Myeloid Malignancies in Children: Pediatric Cancer
A rare form of childhood leukemia in which cancer cells spread into other tissues, such as the skin, lung, and intestines. It is more common in children under four years of age. More Information on Juvenile Myelomonocytic Leukemia: Pediatric Cancer
"Juvenile Non Hodgkin's Lymphoma" is more commonly referred to as "Non Hodgkin's Lymphoma in Children" in the medical community. Non Hodgkin's Lymphoma in Children
Also Known As: "Pediatric Non Hodgkin's Lymphoma"
A group that includes any form of lymphoma (cancer of the lymph system) that does not behave in the predictable patterns associated with Hodgkin's disease. Only about 5 percent of non-Hodgkin's lymphomas occur in children. More Information on Non Hodgkin's Lymphoma in Children: Pediatric Cancer
A form of juvenile arthritis that is difficult to diagnose. Along with joint inflammation, it involves a chronic rash, pitting or thickening of the nails, swelling of fingers and toes and other symptoms. More Information on Juvenile Psoriatic Arthritis: Arthritis
A form of juvenile arthritis that occurs as a delayed-reaction to an infection. It usually begins 2 to 4 weeks after the infection and lasts 2 to 4 months. It is a type of spondyloarthropathy (involving the spine as well as the tendons). More Information on Juvenile Reactive Arthritis: Arthritis
A form of reactive arthritis that occurs as a delayed-reaction to an infection and also involves other parts of the body in addition the joints (e.g., fever, chills, muscle aches, skin rashes, eye inflammation, mouth sores). More Information on Juvenile Reiter's Syndrome: Arthritis
"Juvenile Renal Cancer" is more commonly referred to as "Kidney Cancer in Children" in the medical community. Kidney Cancer in Children
Also Known As: "Pediatric Renal Cancer, Renal Cell Cancer in Children, Pediatric Kidney Cancer, Pediatric Renal Cell Cancer, Juvenile Kidney Cancer, Renal Cancer in Children, Juvenile Renal Cell Cancer"
Most cases of childhood kidney cancers are due to Wilms tumor. Other forms that may develop include mesoblastic nephroma, which is benign, and clear cell sarcoma of the kidney. More Information on Kidney Cancer in Children: Pediatric Cancer
"Juvenile Renal Cell Cancer" is more commonly referred to as "Kidney Cancer in Children" in the medical community. Kidney Cancer in Children
Also Known As: "Pediatric Renal Cancer, Renal Cell Cancer in Children, Pediatric Kidney Cancer, Pediatric Renal Cell Cancer, Renal Cancer in Children, Juvenile Renal Cancer, Juvenile Kidney Cancer"
Most cases of childhood kidney cancers are due to Wilms tumor. Other forms that may develop include mesoblastic nephroma, which is benign, and clear cell sarcoma of the kidney. More Information on Kidney Cancer in Children: Pediatric Cancer
An inflammatory disease that is the most common form of arthritis in children. It usually involves inflammation, damage, stiffness and change in growth of joints. The severity varies from mild to involving potentially serious complications. More Information on Juvenile Rheumatoid Arthritis: Arthritis
"Juvenile Spinal Muscular Atrophy" is more commonly referred to as "Kugelberg Welander Disease" in the medical community. Kugelberg Welander Disease
Also Known As: "Type III SMA, Type III Spinal Muscular Atrophy"
A type of spinal muscular atrophy that is usually detected by age 3. Children affected may be able to stand and walk, but fall more frequently and have difficulty running or getting up from a seated or bent position. Tremors may also occur. More Information on Kugelberg Welander Disease: Pediatric Brain & Nerve
Also Known As: "JSP, Juvenile Spondyloarthropathy Syndromes"
A form of juvenile arthritis involving the spine as well as the tendons. It most often occurs on only one side of the body and in one particular joint - usually the sacroiliac joints (between the spine and pelvic bone). There are many types. More Information on Juvenile Spondyloarthropathy: Arthritis
A form of juvenile arthritis involving the spine as well as the tendons. It most often occurs on only one side of the body and in one particular joint - usually the sacroiliac joints (between the spine and pelvic bone). There are many types. More Information on Juvenile Spondyloarthropathy Syndromes: Arthritis
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