Category: Glossary

Removal of some of a person’s blood and its replacement with equal amounts of donor blood

Repeated inability to achieve or sustain an erection

Outbreak of an infectious disease that spreads rapidly among a population in a defined geographic area

Condition marked by the presence, growth, and function of endometrial tissue (lining of the uterus) outside of its normal location in such sites as the uterine walls, the fallopian tubes, the ovaries, and other sites within the pelvis or, rarely, out of the pelvic region

Originating in or produced within an organ, tissue, cell or by the body. The term may be used to distinguish between an internal or external source of a substance, such as insulin or testosterone.

Cells or tissue that produce hormones released into the bloodstream that have an affect on other cells; for example, the thyroid gland produces thyroid hormone that affects metabolism of many cells.

Inflammation of the membranes lining the interior of the heart and heart valves

Commonly occurring in a particular population or geographic region

Any disease causing deterioration of the brain

Chronic progressive lung disease in which air sacs (alveoli) in the lungs are damaged, resulting in loss of elasticity and function of the lungs; the condition is characterized by shortness of breath and may be accompanied by a cough.  It may eventually lead to heart damage.