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Erlanger, Joseph

(Encyclopedia)Erlanger, Joseph ûrˈlăng-ər [key], 1874–1965, American scientist, b. San Francisco, grad. Univ. of California (B.S., 1895), M.D. Johns Hopkins, 1899. For his contributions to physiology, especia...

LNG

(Encyclopedia)LNG (liquefied natural gas): see under natural gas. ...

atrophy

(Encyclopedia)atrophy ătˈrəfē [key], diminution in the size of a cell, tissue, or organ from its fully developed normal size. Temporary atrophy may occur in muscles that are not used, as when a limb is encased ...

Willis, Thomas

(Encyclopedia)Willis, Thomas, 1621–75, English physician and anatomist. He became professor at Oxford in 1660 and in 1666 established a practice in London. An authority on the brain and the nervous system, he dis...

catecholamine

(Encyclopedia)catecholamine kătˌəkôlˈəmēn [key], any of several compounds occurring naturally in the body that serve as hormones or as neurotransmitters in the sympathetic nervous system. The catecholamines ...

compression

(Encyclopedia)compression, external stress applied to an object or substance, tending to cause a decrease in volume (see pressure). Gases can be compressed easily, solids and liquids to a very small degree if at al...

Dale, Sir Henry Hallett

(Encyclopedia)Dale, Sir Henry Hallett, 1875–1968, English scientist. For his study of acetylcholine as agent in the chemical transmission of nerve impulses he shared with Otto Loewi the 1936 Nobel Prize in Physio...

Dalén, Nils Gustaf

(Encyclopedia)Dalén, Nils Gustaf, 1869–1937, Swedish engineer. Dalén joined the Gas Accumulator Company (later reorganized as the Swedish Gas Accumulator Company and known as AGA) in 1901 and remained with the ...

Turner Valley

(Encyclopedia)Turner Valley, village (1991 pop. 1,352), SW Alta., Canada, at the foot of the Rocky Mts., on the Sheep River, SW of Calgary. It is in the center of the Turner Valley oil and natural gas fields, opene...

Bunsen burner

(Encyclopedia)Bunsen burner, gas burner, commonly used in scientific laboratories, consisting essentially of a hollow tube which is fitted vertically around the flame and which has an opening at the base to admit a...