Columbia Encyclopedia

Search results

500 results found

gland

(Encyclopedia)gland, organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface through a duct. The endocrine glands, e.g., the ...

gigantism

(Encyclopedia)gigantism, condition in which an animal or plant is far greater than normal in size. Plants are often deliberately bred to increase their size. However, among animals, gigantism is usually the result ...

mule, in zoology

(Encyclopedia)mule, hybrid offspring of a male donkey (see ass) and a female horse, bred as a work animal. The name is also sometimes applied to the hinny, the offspring of a male horse and female donkey; hinnies a...

asparagine

(Encyclopedia)CE5 asparagine əspârˈəjēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of mammalian proteins. ...

Marx Brothers

(Encyclopedia)Marx Brothers, team of American movie comedians. The members were Julius (1890?–1977), known as Groucho; Arthur (1888?–1964), originally Adolph and known as Harpo; Leonard (1887?–1961), known as...

Western Cape

(Encyclopedia)Western Cape, province (2011 pop. 5,822,734), 49,986 sq mi (129,462 sq km), SW South Africa, on the Atlantic and Indian oceans. In 1994, under South Africa's post-apartheid constitution, Western Cape ...

snail

(Encyclopedia)snail, name commonly used for a gastropod mollusk with a shell. Included in the thousands of species are terrestrial, freshwater, and marine forms. Some eat both plant and animal matter; others eat on...

tetanus

(Encyclopedia)tetanus tĕtˈnəs, –ənəs [key] or lockjaw, acute infectious disease of the central nervous system caused by the toxins of Clostridium tetani. The organism has a widespread distribution and is com...

Siegfried and Roy

(Encyclopedia) Siegfried and Roy (Siegfried Fischbacher, 1939-2021, b. Rosenheim, Germany; and Roy Uwe Ludwig Horn, 1944-2020, b. Nordenham, Germany), noted German-A...

Cassirer, Ernst

(Encyclopedia)Cassirer, Ernst ĕrnst käsērˈər [key], 1874–1945, German philosopher. He was a professor at the Univ. of Hamburg from 1919 until 1933, when he went to Oxford; he later taught at Yale and Columbi...