Columbia Encyclopedia

Search results

500 results found

ammoniac

(Encyclopedia)ammoniac or gum ammoniac əmōˈnēăkˌ [key], yellowish substance with a sickening, bitter taste, obtained from the milky exudate of the injured stem of a plant (Dorema ammoniacum) found in Iran, In...

Monod, Jacques

(Encyclopedia)Monod, Jacques zhäk mônōˈ [key], 1910–76, French biologist, educated at the Univ. of Paris (D.Sc., 1941). He was a leader of the French resistance in World War II. He shared the 1965 Nobel Prize...

Krebs, Edwin Gerhard

(Encyclopedia)Krebs, Edwin Gerhard, 1918–2009, American biochemist, b. Lansing, Iowa. He and fellow Univ. of Washington professor Edmond Fischer discovered a biological regulatory mechanism, reversible protein ph...

Laveran, Charles Louis Alphonse

(Encyclopedia)Laveran, Charles Louis Alphonse shärl lwē älfôNsˈ lävəräNˈ [key], 1845–1922, French physician. While an army surgeon in Algiers he discovered (1880) the parasite that causes malaria and wro...

Kirksville

(Encyclopedia)Kirksville, city (1990 pop. 17,152), seat of Adair co., N Mo.; inc. 1857. A processing, trade, and shipping center for a farm area (corn, soybeans, sheep, cattle, hogs), Kirksville also has light manu...

polyp

(Encyclopedia)polyp, in medicine, a benign tumor occurring in areas lined with mucous membrane such as the nose, gastrointestinal tract (especially the colon), and the uterus. Some polyps are pedunculated tumors, i...

Celsus, Aulus Cornelius

(Encyclopedia)Celsus, Aulus Cornelius, fl. a.d. 14, Latin encyclopedist. His only extant work, De re medicina, consists of eight books on medicine believed to have been written c.a.d. 30. He was not esteemed as a s...

Agramonte, Arístides

(Encyclopedia)Agramonte, Arístides ärēˈstēdās ägrämōnˈtā [key], 1869–1931, Cuban physician and pathologist, M.D. Columbia, 1892. A member of the medical corps of the U.S. army, he was appointed patholo...

Sutherland, Earl Wilbur

(Encyclopedia)Sutherland, Earl Wilbur, 1915–1974, American pharmacologist and physiologist, b. Burlingame, Kans., M.D., Washington Univ. Medical School, 1942. He was a professor at Washington Univ. (1945–53), a...

Wagner-Jauregg, Julius

(Encyclopedia)Wagner-Jauregg, Julius yo͞oˈlyo͝os vägˈnər-youˈrĕk [key], 1857–1940, Austrian neurologist and pioneer in fever therapy. He was professor at the Univ. of Vienna from 1893 to 1928. He introduc...