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heart, in anatomy

(Encyclopedia)CE5 Cross section of heart, with arrows indicating direction of blood flow heart, muscular organ that pumps blood to all parts of the body. The rhythmic beating of the heart is a ceaseless activit...

Netter, Frank Henry

(Encyclopedia)Netter, Frank Henry, 1906–1991, American physician and medical illustrator, b. Brooklyn, N.Y. He attended City College as well as the National Academy of Design and Art Students League and became a ...

Moerner, W. E.

(Encyclopedia)Moerner, W. E. (William Esco Moerner), 1953–, American physical chemist, b. Pleasanton, Calif., Ph.D. Cornell, 1982. Moerner worked at the IBM Almaden Research Center from 1981 to 1995 and at the Un...

La Paz, city, Mexico

(Encyclopedia)La Paz lä päs [key], city (1990 pop. 137,641), capital and largest city of Baja California Sur state, W Mexico. A tourist spot and transportation hub for the southern Baja peninsula, La Paz was firs...

Manin, Daniele

(Encyclopedia)Manin, Daniele dänyĕˈlā mänēnˈ [key] 1804–57, Venetian leader of the movement to free N Italy from Austrian rule. His father, a Jew, was converted to Christianity and took the name of his pat...

Raglan, Fitzroy James Henry Somerset, 1st Baron

(Encyclopedia)Raglan, Fitzroy James Henry Somerset, 1st Baron, 1788–1855, British general. He entered the army in 1804 and was made (1814) a lieutenant colonel for his services on the duke of Wellington's staff i...

toxin

(Encyclopedia)toxin, poison produced by living organisms. Toxins are classified as either exotoxins or endotoxins. Exotoxins are a diverse group of soluble proteins released into the surrounding tissue by living ba...

senility

(Encyclopedia)senility sənilˈətē [key], deterioration of body and mind associated with old age. Indications of old age vary in the time of their appearance. Stooped posture, wrinkled skin, decrease in muscle st...

Venter, Craig

(Encyclopedia)Venter, Craig (John Craig Venter), 1946–, American biotechnologist and pioneering genome mapper, b. Salt Lake City, grad. Univ. of California, San Diego (B.A. 1972, Ph.D. 1975). Joining the National...

Gehrig, Lou

(Encyclopedia)Gehrig, Lou (Louis Gehrig) gârˈĭg [key], 1903–41, American baseball player, b. New York City. He studied and played baseball at Columbia, where he was spotted by a scout for the New York Yankees....