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glaucoma

(Encyclopedia)glaucoma glôkōˈmə [key], ocular disorder characterized by pressure within the eyeball caused by an excessive amount of aqueous humor (the fluid substance filling the eyeball). This causes pressure...

appendix

(Encyclopedia)appendix, small, worm-shaped blind tube, about 3 in. (7.6 cm) long and 1⁄4 in. to 1 in. (.64–2.54 cm) thick, projecting from the cecum (part of the large intestine) on the right side of the lower ...

Beattie, Ann

(Encyclopedia)Beattie, Ann bēˈtē, bāˈ– [key], 1947–, American writer, b. Washington, D.C. She gained attention in the early 1970s with short stories in the New Yorker; the 48 stories she published (1974–...

Sharpton, Rev. Al

(Encyclopedia) Sharpton, Rev. Al (Alfred Charles Sharpton), 1954- , African-American minister and civil rights activist, b, Brownsville, Brooklyn, N.Y. A child-prodi...

Assyrian art

(Encyclopedia)Assyrian art. An Assyrian artistic style distinct from that of Babylonian art (see Sumerian and Babylonian art), which was the dominant contemporary art in Mesopotamia, began to emerge c.1500 b.c. and...

Lysippos

(Encyclopedia)Lysippos līsĭpˈəs [key], fl. late 4th cent. b.c., Greek sculptor, head of the Sicyon school. Hellenistic sculpture was based largely on the style he introduced. In treating the human figure, he mo...

Armstrong, Lance

(Encyclopedia)Armstrong, Lance, 1971–, American cyclist, b. Dallas, Tex. He won (1991) the U.S. amateur cycling championship, turned professional (1992), and by the mid-1990s had won the Tour DuPont twice and was...

Celtic art

(Encyclopedia)Celtic art kĕlˈtĭk, sĕlˈ– [key]. The earliest clearly Celtic style in art was developed in S Germany and E France by tribal artisans of the mid- to late 5th cent. b.c. With the dispersal of Cel...

Brunelleschi, Filippo

(Encyclopedia)Brunelleschi, Filippo fēlēpˈpō bro͞onĕl-lĕsˈkē [key], 1377–1446, first great architect of the Italian Renaissance, a Florentine by birth. Trained as sculptor and goldsmith, he designed a tr...