(Encyclopedia) artery, blood vessel that conveys blood away from the heart. Except for the pulmonary artery, which carries deoxygenated blood from the heart to the lungs, arteries carry oxygenated…
(Encyclopedia) paranoiaparanoiaprˌənoiˈə [key], in psychology, a term denoting persistent, unalterable, systematized, logically reasoned delusions, or false beliefs, usually of persecution or…
(Encyclopedia) Paz Estenssoro, VictorPaz Estenssoro, Victorvēktōrˈ päs āstānsōˈrō [key], 1907–2001, president of Bolivia (1952–56, 1960–64, 1985–89). An attorney and economist born into a land-owning…
(Encyclopedia) ZacatecasZacatecassäkätāˈkäs [key], state (1990 pop. 1,276,329), 28,125 sq mi (72,844 sq km), N central Mexico. Zacatecas is the capital. Lying on the central plateau, Zacatecas is a…
(Encyclopedia) World Health Organization (WHO), specialized agency of the United Nations, established in 1948, with its headquarters at Geneva. WHO admits all sovereign states (including those not…
(Encyclopedia) bull [Lat. bulla=leaden seal], papal letter. As the diplomatic organization of the papal chancery progressed in the Middle Ages, the papal bull came to be more solemn than the papal…
(Encyclopedia) adolescence, time of life from onset of puberty to full adulthood. The exact period of adolescence, which varies from person to person, falls approximately between the ages 12 and 20…
(Encyclopedia) Rao, P. V. Narasimha (Pamulaparti Venkata Narasimha Rao)Rao, P. V. Narasimhapäˌm&oobreve;ləpärˈtē vĕnkätˈə näräsˈĭmhə rou [key], 1921–2004, Indian politician, prime minister of…
(Encyclopedia) Baltic Sea, arm of the Atlantic Ocean, c.163,000 sq mi (422,170 sq km), including the Kattegat strait, its northwestern extension. The Øresund, Store Bælt, and Lille Bælt connect the…
(Encyclopedia) trapping, most broadly, the use of mechanical or deceptive devices to capture, kill, or injure animals. It may be applied to the practice of using birdlime to capture birds, lobster…
