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histamine
(Encyclopedia)histamine hĭsˈtəmēnˌ [key], organic compound derived in the body from the amino acid histidine by the removal of a carboxyl group (COOH). Although found in many plant and animal tissues, histamin...Cushing, Harvey Williams
(Encyclopedia)Cushing, Harvey Williams, 1869–1939, American neurosurgeon, b. Cleveland, B.A. Yale, 1891, M.D. Harvard, 1895. Associated with Johns Hopkins (1896–1912), Harvard (1912–32), and Yale (1933–37),...Brasília
(Encyclopedia)Brasília bräzēlˈyä [key], capital city and federal district of Brazil (2,264 sq mi/5,864 sq ...cesarean section
(Encyclopedia)cesarean section sĭzârˈēən [key], delivery of an infant by surgical removal from the uterus through an abdominal incision. The operation is of ancient origin: indeed, the name derives from the le...centering
(Encyclopedia)centering, the framework of wood or of wood and steel built to support a masonry arch or vault during its construction. The centering itself must be rigidly supported, either by posts from the ground ...polycythemia
(Encyclopedia)polycythemia pŏlˌēsīthēˈmēə [key], condition characterized by an increase in the production of red blood cells, or erythrocytes, in the blood. Primary polycythemia, also called erythremia, or ...Shushkevich, Stanislav Stanislavovich
(Encyclopedia)Shushkevich, Stanislav Stanislavovich, Belarusian Stanislau Stanislavavich Shushkevich, 1934–, Belarusian political leader and scientist, first head of state of independent Belarus after the dissolu...Ross, John
(Encyclopedia)Ross, John, whose name in Cherokee is Kooweskoowe ko͞oˌwĭsˌko͞owēˈ [key], 1790–1866, Native American chief, b. near Lookout Mt., Tenn., of Scottish and Cherokee parents. He was educated at Ki...Old Sarum
(Encyclopedia)Old Sarum sârˈəm [key], site of a former city, Wiltshire, S England, just N of Salisbury (New Sarum). Excavations and scanning technologies have revealed remains of a British Iron Age fort, the Rom...oxalic acid
(Encyclopedia)oxalic acid ĕthˌāndīōĭk [key], HO2CCO2H, a colorless, crystalline organic carboxylic acid that melts at 189℃ with sublimation. Oxalic acid and oxalate salts are poisonous. Oxalic acid is found...Browse by Subject
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