Glossary

BioScience.com.pk try the best to avoid the use of medical terms that could make it more difficult to understand the information on this website. Still, there are a number of terms that can’t be avoided and that are useful to know because they are so often used by the doctors, nurses, and other medical professionals with whom you might speak. The list below includes the terms used on BioScience.com.pk for which we have provided definitions.

Search for glossary terms (regular expression allowed)
Term Definition
Febrile

Characterized by fever; feverish

False-Positive

Test or procedure result inappropriately indicating a positive or abnormal result when, in fact, no abnormal condition is actually present.

False-Negative

Test or procedure result inappropriately indicating a normal or negative result when, in fact, an abnormal condition is actually present.

Exudate

Fluid that has leaked into a body cavity as a result of injury or inflammation; it has a higher than normal protein content and may be cloudy due to increased numbers of white blood cells.

Exogenous

External, originating outside of an organ, tissue, cell or the body. It may refer to a substance that is administered to the body, such as exogenous insulin or testosterone.

Exocrine

Cells or tissue that produce substances that are released through a duct and into another organ; for example, the pancreas releases digestive juices into the intestine.

Exchange Transfusion

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

Erectile dysfunction

Repeated inability to achieve or sustain an erection

Epidemic

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

Eosinophil

Leukocyte (white blood cell) with granules that are stained by the dye, eosin. Eosinophils, normally about 1-3% of the total white blood cell count, are believed to function in allergic responses and in resisting some infections.

Enzyme

Protein produced in cells that speeds up the rate of biological reactions; the names of many enzymes end in '-ase' (e.g., lipase, amylase).

Endometriosis
 
Endogenous

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.

Endocrine

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.

Endocarditis

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