Glossary of Terms

Informatics applied to medical knowledge, practice, management, education, and research. This process includes computer technology, internet access, and electronic...

The malar rash, or butterfly rash, is a red flat facial rash involving the malar region bilaterally and the...

A complex of genes on chromosome 6 that code for the antigens that determine tissue and blood compatibility. In...

A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of...

Lymphopenia (also known as lymphocytopenia) is a disorder in which your blood doesn’t have enough white blood cells called...

A lymphocyte is a type of white blood cell that is part of the immune system. There are two...

A rounded mass of lymphatic tissue that is surrounded by a capsule of connective tissue. Lymph nodes filter lymph...

Lyme disease is caused by the bacterium Borrelia burgdorferi and is transmitted to humans through the bite of infected...

A substance that blocks a type of enzyme called a kinase. Human cells have many different kinases, and they...

Your kidneys are two bean-shaped organs, each about the size of your fists. They are located near the middle...

Any of a group of related inflammatory joint diseases of childhood, the most severe of which is also the...

An intravenous pyelogram (IVP) is a special x-ray examination of the kidneys, bladder, and ureters (the tubes that carry...