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.
A J-shape that occurs when blood pressure (BP) or cholesterol levels are put on one axis of a graph with mortality rates for cardiovascular disease (CVD) on the other. It shows that people with high cholesterol or BP are more likely to die from CVD.
A rare form of chronic arthritis often associated with acute rheumatic fever or systemic lupus erythematosus. It is characterized by bone erosion of the metacarpal heads and ulnar deviation (wrists bent toward the pinky) of the fingers. More Information on Jaccoud Arthropathy: Arthritis
"Jacket Crown" is more commonly referred to as "Artificial Crown" in the medical community. Artificial Crown
Also Known As: "Cap"
An artificial cap made to look like a natural tooth that is placed over a damaged or decayed tooth. More Information on Artificial Crown: Dental Restorations
Also Known As: "Late Infantile NCL, Late Infantile Neuronal Ceroid Lipofuscinosis"
A type of neuronal ceroid lipofuscinosis, a progressive neurological disease that begins in childhood. It usually begins by age 4 and progresses rapidly, becoming fatal by age 12. More Information on Jansky Bielschowsky Disease: Pediatric Brain & Nerve
A type of viral encephalitis transmitted by mosquitoes that affects populations in Japan and other East Asian countries, typically in the summer. A vaccine is available. More Information on Japanese Encephalitis: Brain Related Infections
"JAS" is more commonly referred to as "Juvenile Ankylosing Spondylitis" in the medical community. Juvenile Ankylosing Spondylitis
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
A yellowish tint to the skin and eyes caused by elevated levels of the liver enzyme bilirubin in the blood. It is also associated with darkened urine and lighter-than-normal stool color. It is a sign that the liver is damaged or distressed. More Information on Jaundice: Liver, Pancreas & Biliary
A yellow tint to the skin, whites of the eyes, nail beds and/or mucous membranes caused by an excess of bilirubin in the blood. It is common in newborns because their liver is often not mature enough to process bilirubin. More Information on Jaundice in Children: Pediatric Signs & Symptoms
A yellow tint to the skin, whites of the eyes, nail beds and/or mucous membranes is common in newborns. It is frequently a result of an immature liver, is usually mild and easily treated. Severe forms can sometimes lead to mental retardation. More Information on Jaundice in Healthy Newborns: Newborn Care
The portion of the skull that frames the mouth and supports the teeth. The upper jaw is the maxilla and the lower jaw is the mandible. More Information on Jaw: Oral Health Basics
Clamping down and pressing together the jaws and teeth. It is often associated with psychological stress or physical effort and is a major symptom of bruxism (teeth grinding). Persistent clenching can cause jaw pain or other problems. More Information on Jaw Clenching: Tooth Decay & Damage
Pain in or around the upper or lower jaws. It may be caused by dental or medical conditions including tooth abscess, teeth grinding, TMJ disorder or heart problems such as angina. More Information on Jaw Pain: Ear, Eye & Face Pain
The bone that forms the jaw. The term is often used to refer specifically to the lower jaw, or mandible. More Information on Jawbone: Oral Health Basics
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