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Rothman, James Edward

(Encyclopedia)Rothman, James Edward, 1950–, American cell physiologist, b. Haverhill, Mass., Ph.D. Harvard, 1976. Rothman was a professor at Stanford from 1978 to 1988 and at Princeton from 1988 to 1991. He taugh...

Schally, Andrew V.

(Encyclopedia)Schally, Andrew V., 1926–, American endocrinologist, b. Wilno, Poland (now Vilnius, Lithuania), as Andrzej Viktor Schally, grad. McGill Univ. (Ph.D., 1957). He spent most of his career at Tulane Uni...

spinal puncture

(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...

depression, in psychiatry

(Encyclopedia)depression, in psychiatry, a symptom of mood disorder characterized by intense feelings of loss, sadness, hopelessness, failure, and rejection. The two major types of mood disorder are unipolar disord...

Gregory, Dick

(Encyclopedia)Gregory, Dick (Richard Claxton Gregory), 1932–2017, African-American civil-rights activist and comedian, b. St. Louis, Mo. A biting satirist who used the struggle for civil rights and other topical ...

nosebleed

(Encyclopedia)nosebleed, nasal hemorrhage occurring as the result of local injury or disturbance. Most nosebleeds are not serious and occur when one of the small veins of the septum (the partition between the nostr...

parathyroid glands

(Encyclopedia)parathyroid glands pârˌəthīˈroid [key], four small endocrine bodies, located behind the thyroid gland, that govern calcium and phosphorus metabolism. These four masses of tissue (each about the s...

patent medicine

(Encyclopedia)patent medicine, packaged drugs that can be obtained without prescription; the term was formerly used to describe quack remedies sold by peddlers. Patent, or proprietary, medicines are advertised to t...

CAT scan

(Encyclopedia)CAT scan kăt [key] [computerized axial tomography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also called CT scan. An X-...

urine

(Encyclopedia)urine, clear, amber-colored fluid formed by the kidneys that carries metabolic wastes out of the body (see urinary system). As the blood circulates it collects excretory products from the tissues and ...