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gastric juice

(Encyclopedia)gastric juice, thin, strongly acidic (pH varying from 1 to 3), almost colorless liquid secreted by the glands in the lining of the stomach. Its essential constituents are the digestive enzymes pepsin ...

joint, in geology

(Encyclopedia)joint, in geology, fracture in rocks along which no appreciable movement has occurred (see fault). Nearly vertical, or sheet, joints that result from shrinkage during cooling are commonly found in ign...

Johnston, Albert Sidney

(Encyclopedia)Johnston, Albert Sidney, 1803–62, Confederate general, b. Washington, Ky. After serving in the Black Hawk War, he resigned (1834) from the U.S. army and went to Texas where he enlisted (1835) in the...

Mendès-France, Pierre

(Encyclopedia)Mendès-France, Pierre pyĕr măNdĕsˈ-fräNs [key], 1907–82, French statesman. A lawyer and economist, he entered (1932) the chamber of deputies as a Radical Socialist. In World War II he was a pi...

Mitchell, Joan

(Encyclopedia)Mitchell, Joan, 1926–92, American abstract painter, b. Chicago, studied Smith College, Art Institute of Chicago (B.F.A., 1947; M.F.A., 1950). A vibrant colorist, she was one of the finest painters o...

Rohmer, Eric

(Encyclopedia)Rohmer, Eric, 1920–2010, French film director and writer, b. Jean-Marie Maurice Schérer. He was a founder (1950) of La Gazette du cinéma, cowrote (1957) a study of Alfred Hitchcock, and edited (19...

Belaúnde Terry, Fernando

(Encyclopedia)Belaúnde Terry, Fernando fārnänˈdō bāläo͞onˈdā tāˈrē [key], 1912–2002, president of Peru (1963–68, 1980–85). A successful architect, he served in the chamber of deputies (1945–48)...

Aeschines

(Encyclopedia)Aeschines ĕˈskĭnēz [key], c.390–314? b.c., Athenian orator, rival of Demosthenes. Aeschines rose from humble circumstances and became powerful in politics because of his oratorical gifts. At fir...

adrenocorticotropic hormone

(Encyclopedia)adrenocorticotropic hormone ədrēˈnōkôrˌtəkōtrŏpˈĭk [key], polypeptide hormone secreted by the anterior pituitary gland. Its chief function is to stimulate the cortex of the adrenal gland to...

Zhang Yimou

(Encyclopedia)Zhang Yimou, 1951–, Chinese film director. Sentenced to forced labor during the Cultural Revolution (1966–76) because his father had been an officer in Chiang Kai-shek's army, he then studied at t...