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cocaine
cocaine , alkaloid drug derived from the leaves of the coca shrub. A commonly abused illegal drug, cocaine has limited medical uses, most often in surgical applications that take advantage of the fact that, in addition to its anesthetic effect, it constricts small arteries, lessening bleeding. The...
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coca
coca , common name for shrubs of the genus Erythroxylum, particularly E. coca, of the family Erythroxylaceae, and found abundantly in upland regions and on mountain slopes of South America, as well as in Australia, India, and Africa. Certain South American peoples chew the leaves of one of sever...
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alkaloid
alkaloid any of a class of organic compounds composed of carbon, hydrogen, nitrogen, and usually oxygen that are often derived from plants. Although the name means alkalilike, some alkaloids do not exhibit alkaline properties. Many alkaloids, though poisons, have physiological effects that render t...
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Cali
Cali , city (1993 pop. 1,641,498), capital of Valle del Cauca dept., W Colombia, on the Cali River. It is an industrial and commercial center of the upper Cauca valley. Coffee, cotton, sugarcane, and soybeans are shipped through the city; and tires, tobacco products, textiles, paper, chemicals, and ...
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delusion
delusion false belief based upon a misinterpretation of reality. It is not, like a hallucination, a false sensory perception, or like an illusion, a distorted perception. Delusions vary in intensity, and are not uncommon among substance abusers, particularly those who use amphetamines, cocaine, and...
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William Stewart Halsted
William Stewart Halsted , 1852-1922, American surgeon, b. New York City, M.D. College of Physicians and Surgeons, 1877. He practiced in New York and in 1886 became the first professor of surgery at Johns Hopkins, where he was associated with Sir William Osler, W. H. Welch, and H. A. Kelly in develop...
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Diego Armando Maradona
Diego Armando Maradona 1960-, Argentinian soccer star. A strong forward with spectacular abilities, superb dribbling skills, and great personal flair, he began his career as a teenager playing for the Argentinos (1976-80) and Boca juniors (1981). Moving (1982) to Europe, he joined the Barcelona tea...
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Shining Path
Shining Path Span. Sendero Luminoso, Peruvian Communist guerrilla force, officially the Communist party of Peru. Founded in 1970 by Abimael Guzmán Reynoso as an orthodox Marxist-Leninist offshoot of the Peruvian Communist party, the Shining Path turned to terrorism in 1980. By the mid-19...
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Dopamine
Dopamine
Dopamine belongs to a family of biological compounds called catecholamines (see Figure 1). Dopamine is synthesized from the compound L-dihydroxyphenylalanine (L-dopa) via the enzyme dopa decarboxylase. In noradrenergic neurons and in the adrenal glands, dopamine is the precursor for the ...
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benzodiazepine
benzodiazepine , any of a class of drugs prescribed for their tranquilizing, antianxiety, sedative, and muscle-relaxing effects. Benzodiazepines are also prescribed for epilepsy and alcohol withdrawal. Introduced in the early 1960s with chlordiazepoxide (Librium), benzodiazepines were heralded as a ...
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