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rock music

(Encyclopedia)rock music, type of music originating in the United States in the mid-1950s and increasingly popular throughout much of the world. A turning point in rock music occurred in the mid-1970s in the ...

Doctrine of Signatures

(Encyclopedia)Doctrine of Signatures, the concept that the key to humanity's use of various plants was indicated by the form of the plant. The red sap of the bloodroot (Sanguinaria canadensis), for instance, was be...

Abel, John Jacob

(Encyclopedia)Abel, John Jacob, 1857–1938, American pharmacologist, b. Cleveland, grad. Univ. of Michigan, 1883, M.D. Univ. of Strasbourg, 1888. Professor of pharmacology (1893–1932) and director of the laborat...

Murphy, William Parry

(Encyclopedia)Murphy, William Parry, 1892–1987, American physician, b. Stoughton, Wis., M.D. Harvard, 1920. He taught at Harvard from 1923 and was associated with the Peter Bent Brigham Hospital, in Boston, from ...

pus

(Encyclopedia)pus, thick white or yellowish fluid that forms in areas of infection such as wounds and abscesses. It is constituted of decomposed body tissue, bacteria (or other micro-organisms that cause the infect...

DeBakey, Michael Ellis

(Encyclopedia)DeBakey, Michael Ellis dəbāˈkē [key], 1908–2008, American surgeon, b. Lake Charles, La. While still at Tulane medical school (M.D., 1932), DeBakey developed the roller pump, which later became a...

medical jurisprudence

(Encyclopedia)medical jurisprudence or forensic medicine, the application of medical science to legal problems. It is typically involved in cases concerning blood relationship, mental illness, injury, or death resu...

mustang

(Encyclopedia)mustang [Sp. mesteño=a stray], small feral horse of the W United States. Mustangs are descended from escaped Native American horses, which in turn were descended from horses of North African blood, b...

tinnitus

(Encyclopedia)tinnitus, the hearing of sounds in the absence of any external sound, also known as ringing in the ears. The sounds may be perceived as hissing, whistling, buzzing, swooshing, roaring, or clicking in ...

Eastern Woodlands culture

(Encyclopedia)Eastern Woodlands culture, term used to refer to Native American societies inhabiting the eastern United States. The earliest Woodland groups were the Adena and Hopewell, who lived in the Ohio and Mis...