Columbia Encyclopedia

Search results

500 results found

Leeuwenhoek, Antony van

(Encyclopedia)Leeuwenhoek, Antony van änˈtōnē vän lāˈvənho͞okˌ [key], 1632–1723, Dutch student of natural history and maker of microscopes, b. Delft. His use of lenses in examining cloth as a draper's a...

McCarthy, Cormac

(Encyclopedia)McCarthy, Cormac, 1933–2023, American novelist, b. Providence, R.I. He grew up in Knoxville, Tenn., moved to the Southwest in 1974, and since then mai...

epithelium

(Encyclopedia)epithelium ĕpˌəthēˈlēəm [key], sheet of tissue that covers or lines the external and internal body surfaces. The epithelium is closely packed, has little intercellular material, and is lacking ...

intoxication

(Encyclopedia)intoxication, condition of body tissue affected by a poisonous substance. Poisonous materials, or toxins, are to be found in heavy metals such as lead and mercury, in drugs, in chemicals such as alcoh...

diuretic

(Encyclopedia)diuretic dīˌyərĕtˈĭk [key], drug used to increase urine formation and output. Diuretics are prescribed for the treatment of edema (the accumulation of excess fluids in the tissues of the body), ...

Doherty, Peter Charles

(Encyclopedia)Doherty, Peter Charles, 1940–, Australian immunologist, Ph.D., Univ. of Edinburgh, 1970. He was a research fellow at Australian National Univ. (1972–75), a professor at the Wistar Institute, Phila...

cyclopropane

(Encyclopedia)cyclopropane, C3H6, a gaseous hydrocarbon. It is a cyclic alkane, its three carbon atoms being joined together in a ring. The angle between successive carbon-carbon bonds in the ring is only 60°, muc...

Phoronida

(Encyclopedia)Phoronida fərŏnˈədə [key], small phylum of slender, wormlike marine tube-dwellers, typically found in temperate, shallow seas. About 10 species are known. Although the body is free in the tube, t...

Samuelsson, Bengt Ingemar

(Encyclopedia)Samuelsson, Bengt Ingemar, 1934–, Swedish biochemist, grad. Karolinska Institute (Ph.D. 1960, M.D. 1961). He was a professor at the Karolinska Institute from 1962 to 1966 and again from 1973; from 1...

toxic shock syndrome

(Encyclopedia)toxic shock syndrome (TSS). acute, sometimes fatal, disease characterized by high fever, nausea, diarrhea, lethargy, blotchy rash, and sudden drop in blood pressure. It is caused by Staphylococcus aur...