Columbia Encyclopedia

Search results

500 results found

antibody

(Encyclopedia)antibody, protein produced by the immune system (see immunity) in response to the presence in the body of antigens: foreign proteins or polysaccharides such as bacteria, bacterial toxins, viruses, or ...

congenital heart disease

(Encyclopedia)congenital heart disease, any defect in the heart present at birth. There is evidence that some congenital heart defects are inherited, but the cause of most cases is unknown. One known cause is infec...

salivary glands

(Encyclopedia)salivary glands sălˈəvârˌē [key], in humans, three pairs of glands that secrete the alkaline digestive fluid, saliva, into the mouth. Most animals have salivary glands that resemble those in hum...

radiation sickness

(Encyclopedia)radiation sickness, harmful effect produced on body tissues by exposure to radioactive substances. The biological action of radiation is not fully understood, but it is believed that a disturbance in ...

McLane, Louis

(Encyclopedia)McLane, Louis, 1786–1857, American statesman, b. Smyrna, Del. He served in the U.S. House of Representatives (1817–27) and in the Senate (1827–29), resigning to become minister to England (1829...

Gage, Lyman Judson

(Encyclopedia)Gage, Lyman Judson, 1836–1927, American banker and cabinet member, b. Madison co., N.Y. He moved to Chicago in 1855 and from 1868 was associated with the First National Bank of Chicago, of which he ...

Dillinger, John

(Encyclopedia)Dillinger, John dĭlˈĭnjər [key], 1902–34, American bank robber, probably b. Indianapolis. Paroled after serving a prison term for attempted robbery, Dillinger organized a gang and terrorized the...

Saint-Germain-des-Prés

(Encyclopedia)Saint-Germain-des-Prés săN-zhĕrmăNˈ-dā-prā [key], historic abbey and church of Paris, on the left bank of the Seine. It was founded (6th cent.) by Childebert I; several Merovingian kings were b...

Rensselaer

(Encyclopedia)Rensselaer rĕnsəlērˈ, rĕnˈsələr [key], city (1990 pop. 8,255), Rensselaer co., E N.Y., on the east bank of the Hudson River opposite Albany; settled 1630 by Dutch, inc. 1897. Chemicals, textil...

Bramah, Joseph

(Encyclopedia)Bramah, Joseph brămˈə, bräˈ– [key], 1748–1814, English inventor. In 1784 he took out his first patent on a safety lock, and in 1795 he patented his hydraulic press, known as the Bramah press ...

Browse by Subject