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cytochrome

(Encyclopedia)cytochrome sīˈtəkrōmˌ [key], protein containing heme (see coenzyme) that participates in the phase of biochemical respiration called oxidative phosphorylation. Cytochromes act as carriers of hydr...

Chauvin, Yves

(Encyclopedia)Chauvin, Yves, 1930–2015, French chemist, b. Menen, Belgium, grad. Lyon School of Chemistry, Physics, and Electronics (CPE), 1954. Chauvin was a research engineer (1960–91) and then research direc...

endorphins

(Encyclopedia)endorphins ĕndôrˈfĭnz [key], neurotransmitters found in the brain that have pain-relieving properties similar to morphine. There are three major types of endorphins: beta endorpins, found primaril...

excommunication

(Encyclopedia)excommunication, formal expulsion from a religious body, the most grave of all ecclesiastical censures. Where religious and social communities are nearly identical it is attended by social ostracism, ...

Ferrari, Giuseppe

(Encyclopedia)Ferrari, Giuseppe fār-räˈrē [key], 1812–76, Italian philosopher and politician. A thorough skeptic in metaphysics, he devoted himself to the more active aspects of social, political, and histor...

International Civil Aviation Organization

(Encyclopedia)International Civil Aviation Organization (ICAO), specialized agency of the United Nations, organized in 1947, with headquarters at Montreal. The objective of the ICAO, which has 190 member nations, i...

annexation

(Encyclopedia)annexation, in international law, formal act by which a state asserts its sovereignty over a territory previously outside its jurisdiction. Many kinds of territory have been subject to annexation, chi...

Hazare, Anna

(Encyclopedia)Hazare, Anna, 1937–, Indian social activist, b. Kisan Baburao Hazare. He served (1963–75) in the army then, inspired by the teachings of Vivekananda, devoted himself to social causes. Promoting wa...

Gregory XVI

(Encyclopedia)Gregory XVI, 1765–1846, pope (1831–46), an Italian named Bartolomeo Alberto Capellari, b. Belluno; successor of Pius VIII. In 1783 he became a Camaldolite and was (1825) created cardinal. Gregory ...

Gosford, Archibald Acheson, 2d earl of

(Encyclopedia)Gosford, Archibald Acheson, 2d earl of gŏzˈfərd [key], 1776–1849, governor in chief of British North America (1835–37). He served in the British House of Commons and, after succeeding (1807) to...