Columbia Encyclopedia

Search results

500 results found

heparin

(Encyclopedia)heparin hĕpˈərĭn [key], anticoagulant produced by cells in many animals. A polysaccharide, heparin is found in the human body and occurs in greatest concentration in the tissues surrounding the ca...

erythema

(Encyclopedia)erythema ĕrˌəthēˈmə [key], more or less diffuse redness of the skin due to concentration of an abnormally large amount of blood within the small vessels of the skin (hyperemia), as in burns. Ery...

cryosurgery

(Encyclopedia)cryosurgery krīˈōsrˌjərē [key], bloodless surgical technique using a supercooled probe to destroy diseased or superfluous tissue. Liquid nitrogen circulating through the instrument cools it to t...

Cytoxan

(Encyclopedia)Cytoxan sītŏkˈsĭn [key], trade name for the drug cyclophosphamide, used to inhibit growth of tumors and rapidly proliferating cells. It is used in the treatment of leukemia, Hodgkin's disease, and...

Fischer, Hans

(Encyclopedia)Fischer, Hans, 1881–1945, German organic chemist, Ph.D. Univ. of Marburg, 1904; M.D. Univ. of Munich, 1908. Fischer was a professor at the Univ. of Innsbruck from 1916 to 1918 and at the Univ. of Vi...

Wright, Sir Almroth Edward

(Encyclopedia)Wright, Sir Almroth Edward, 1861–1947, British pathologist. He was professor of pathology (1892–1902) at the Army Medical School, Netley, and professor of experimental pathology, Univ. of London, ...

burnet

(Encyclopedia)burnet, hardy perennial herb of the family Rosaceae (rose) found in temperate regions, usually with white or greenish flowers. The European species are sometimes cultivated for the leaves, which are u...

Uranus , in Greek religion and mythology

(Encyclopedia)Uranus, in Greek religion and mythology, the heaven, first ruler of the universe, son of Gaea (the earth). He was the father of Gaea's children, the Titans, the Cyclopes, and the Hundred-handed Ones (...

hemophilia

(Encyclopedia)hemophilia hēˌməfĭlˈēə, –fēlˈyə [key], genetic disease in which the clotting ability of the blood is impaired and excessive bleeding results. The disease is transmitted through females but...

Minot, George Richards

(Encyclopedia)Minot, George Richards mīˈnət [key], 1885–1950, American physician and pathologist, b. Boston, M.D. Harvard, 1912. From 1928 to 1948 he was professor of medicine at Harvard and director of the Th...