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immunosuppressive drug

(Encyclopedia)immunosuppressive drug, any of a variety of substances used to prevent production of antibodies. They are commonly used to prevent rejection by a recipient's body of an organ transplanted from a donor...

wind instrument

(Encyclopedia)CE5 Wind instruments wind instrument, in music, any instrument whose tone is produced by a vibrating column of air. In the pipe organ the column of air is set into vibration by mechanical means. O...

pollination

(Encyclopedia)pollination, transfer of pollen from the male reproductive organ (stamen or staminate cone) to the female reproductive organ (pistil or pistillate cone) of the same or of another flower or cone. Polli...

ephors

(Encyclopedia)ephors ĕfˈərz [key] [Gr.,=overseers], in ancient Greece, magistrates in several Dorian states. In Sparta they comprised an executive, legislative, and judicial board of five Spartan citizens. This ...

figured bass

(Encyclopedia)figured bass, in music, a system of shorthand notation in which figures are written below the notes of the bass part to indicate the chords to be played. Called also thorough bass and basso continuo, ...

epithelium

(Encyclopedia)epithelium ĕpˌəthēˈlēəm [key], sheet of tissue that covers or lines the external and internal body surfaces. The epithelium is closely packed, has little intercellular material, and is lacking ...

Noyes, Alfred

(Encyclopedia)Noyes, Alfred noiz [key], 1880–1958, English poet, best known for his poems “The Highwayman” and “The Barrel-Organ.” His first volume of verse, Loom of Years, appeared in 1902. It was follow...

Las Cruces

(Encyclopedia)Las Cruces läs kro͞oˈsĭs [key], city (1990 pop. 62,126), seat of Dona Ana co., SW N.Mex., on the Rio Grande, in a farm area irrigated by the Elephant Butte system; founded 1848, inc. 1907. It is t...

Stone, Lucy

(Encyclopedia)Stone, Lucy, 1818–93, reformer and leader in the women's rights movement, b. near West Brookfield, Mass., grad. Oberlin, 1847. In 1847 she gave her first lecture on women's rights, and the following...

spleen

(Encyclopedia)spleen, soft, purplish-red organ that lies under the diaphragm on the left side of the abdominal cavity. The spleen acts as a filter against foreign organisms that infect the bloodstream, and also fil...