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Cenis, Mont

(Encyclopedia)Cenis, Mont môN sənēˈ [key], Ital. Moncenisio, Alpine pass, 6,831 ft (2,082 m) high, on the French-Italian border. It is one of the great invasion routes in Italian history. Napoleon I built a new...

sickle cell disease

(Encyclopedia)sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “hemoglobin-S” crysta...

Alzheimer's disease

(Encyclopedia)Alzheimer's disease ălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and, ultimately, death. The disea...

aggression

(Encyclopedia)aggression, a form of behavior characterized by physical or verbal attack. It may appear either appropriate and self-protective, even constructive, as in healthy self-assertiveness, or inappropriate a...

bacteriophage

(Encyclopedia)bacteriophage băktērˈēəfājˌ [key], virus that infects bacteria and sometimes destroys them by lysis, or dissolution of the cell. Bacteriophages, or phages, have a head composed of protein, an i...

Mexico, National Autonomous University of

(Encyclopedia)Mexico, National Autonomous University of, at Mexico City, Mexico; founded 1551 by the Spanish king Charles I (Holy Roman Emperor Charles V). It has faculties of accounting and business administration...

Altoona

(Encyclopedia)Altoona ălto͞oˈnə [key], industrial city (2020 pop. 43,963), Blair co., central Pa., on the eastern slopes of the Allegheny Mts., near the source of the Juniata River;...

Gravesham

(Encyclopedia)Gravesham grāvˈshem [key], city and district (1991 est. pop. 90,000), Kent, SE England, on the Thames River. Industries include shipbuilding, metal casting, engineering, paper making, printing, and ...

Dartmouth College

(Encyclopedia)Dartmouth College, at Hanover, N.H.; coeducational; chartered 1769, opened 1770, the ninth colonial college (see Wheelock, Eleazar). Originally a men's college, Dartmouth began admitting women in 1972...

Tullahoma

(Encyclopedia)Tullahoma tələhōˈmə [key], city (1990 pop. 16,761), Coffee and Franklin counties, central Tenn.; settled c.1850 as a railroad labor camp, inc. 1903. It is an industrial center in a highland timbe...