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Cameroons, former German colony

(Encyclopedia)Cameroons, Fr. Cameroun, Ger. Kamerun, former German colony, W Africa, on the Gulf of Guinea and extending N to Lake Chad. Germany's penetration of the area began in 1884 and by 1902 its possession wa...

emetic

(Encyclopedia)emetic əmĕtˈĭk [key], substance that produces vomiting. Direct, or gastric, emetics, which act directly on the stomach, include syrup of ipecac, sulfate of zinc or copper, alum, ammonium carbonate...

Agre, Peter Courtland

(Encyclopedia)Agre, Peter Courtland, 1949–, American molecular biologist, b. Northfield, Minn., M.D. Johns Hopkins, 1974. From 1981 to 2005, Agre taught at Johns Hopkins in the departments of medicine and cell bi...

thrombolytic drug

(Encyclopedia)thrombolytic drug thrŏmˌbəlĭtˈĭk [key] or clot-dissolving drug, substance, such as streptokinase or tissue plasminogen activator (tPA), that causes the breakdown of blood clots (see thrombosis) ...

Prusiner, Stanley Ben

(Encyclopedia)Prusiner, Stanley Ben, 1942–, American neurologist, b. Des Moines, Iowa, M.D. Univ. of Pennsylvania School of Medicine, 1968. Prusiner has been a professor at the Univ. of California, San Francisco ...

fetal tissue implant

(Encyclopedia)fetal tissue implant or fetal cell therapy, implantation of tissue from a fetus into a patient. In experimental procedures, fetal brain tissue has been implanted in the brains of patients with Parkins...

Gestalt

(Encyclopedia)Gestalt gəshtältˈ [key] [Ger.,=form], school of psychology that interprets phenomena as organized wholes rather than as aggregates of distinct parts, maintaining that the whole is greater than the ...

Erasistratus

(Encyclopedia)Erasistratus ĕrəsĭsˈtrətəs [key], fl. 3d cent. b.c., Greek physician, b. Chios. He was the leader of a school of medicine in Alexandria, and his works were influential until the 4th cent. a.d. H...

Haldane, John Scott

(Encyclopedia)Haldane, John Scott, 1860–1936, British scientist, b. Edinburgh; father of John Burdon Sanderson Haldane. He made many important contributions to mine safety, investigating principally the action of...

Loricifera

(Encyclopedia)Loricifera lôrˌĭsĭfˈərə [key], phylum of microscopic animals discovered in 1974. They have spiny heads and unsegmented bodies encased in a vase-shaped anterior that can retract into the posteri...