E

EBV

A common virus that remains dormant in most people. It causes infectious mononucleosis and has been associated with certain cancers, including Burkitt lymphoma, … [Read more...]

ecchymosis

A small bruise caused by blood leaking from broken blood vessels into the tissues of the skin or mucous membranes. … [Read more...]

eccrine gland

A type of simple sweat gland that is found in almost all regions of the skin. These glands produce sweat that reaches the surface of the skin by way of coiled … [Read more...]

ECG

A line graph that shows changes in the electrical activity of the heart over time. It is made by an instrument called an electrocardiograph. The graph can show … [Read more...]

echinacea

An herb native to North America that has been used to prevent and treat the common cold and other respiratory infections. Echinacea may interfere with treatment … [Read more...]

echinomycin

A polypeptide quinoxaline antineoplastic antibiotic isolated from the bacterium Streptomyces echinatus. Echinomycin intercalates into DNA at two locations … [Read more...]

echocardiography

A procedure that uses ultrasonic waves directed over the chest wall to obtain a graphic record of the heart's position, motion of the walls, or internal parts … [Read more...]

ecologic study

A study that compares large groups of people instead of individuals for differences in things such as cancer rates. The groups can differ by location (for … [Read more...]

ecological study

A study that compares large groups of people instead of individuals for differences in things such as cancer rates. The groups can differ by location (for … [Read more...]

Ecotrin

(Other name for: acetylsalicylic acid) … [Read more...]