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aorta

(Encyclopedia)CE5 Aorta aorta āôrˈtə [key], primary artery of the circulatory system in mammals, delivering oxygenated blood to all other arteries except those of the lungs. The human aorta, c.1 in. (2.54 c...

chlamydia

(Encyclopedia)chlamydia kləmĭdˈēə [key], genus of microorganisms that cause a variety of diseases in humans and other animals. Psittacosis, or parrot fever, caused by the species Chlamydia psittaci, is transmi...

Chrysler Building

(Encyclopedia)Chrysler Building, in midtown Manhattan, New York City, at Lexington Ave. between 42d and 43d St. The ultimate art deco-style skyscraper, it was commissioned by Walter P. Chrysler, designed by William...

plant breeding

(Encyclopedia)plant breeding, science of altering the genetic pattern of plants in order to increase their value. Increased crop yield is the primary aim of most plant-breeding programs; advantages of the hybrids a...

Sanger, Frederick

(Encyclopedia)Sanger, Frederick săngˈər [key], 1918–2013, British biochemist, grad. Cambridge (B.A., 1939; Ph.D., 1943). He continued his research at Cambridge after 1943. He won the 1958 Nobel Prize in Chemis...

Toland, Gregg Wesley

(Encyclopedia)Toland, Gregg Wesley, 1904–48, American cinematographer, b. Charleston, Ill. One of Hollywood's most accomplished and influential cinematographers, Toland worked for Samuel Goldwyn from 1929, first ...

packaging

(Encyclopedia)packaging, containment and packing prior to sale with the primary purpose of facilitating the purchase and use of a product. Before 1800 packaging was restricted almost entirely to containment for shi...

Cantor, Eric Ivan

(Encyclopedia)Cantor, Eric Ivan, 1963–, U.S. politician, b. Richmond, Va., grad. George Washington Univ. (B.A., 1985), William and Mary (J.D., 1988), Columbia (M.S., 1989). A conservative Republican, he worked as...

legislative apportionment

(Encyclopedia)legislative apportionment, subdivision of a political body (e.g., a state or province) for the purpose of electing legislative representatives. In the United States, the Constitution requires that Con...

McCarthy, Eugene Joseph

(Encyclopedia)McCarthy, Eugene Joseph, 1916–2005, U.S. political leader, b. Watkins, Minn. He served (1942–46) as a technical assistant for military intelligence during World War II and then taught (1946–49) ...