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Henry VI, Holy Roman emperor and German king

(Encyclopedia)Henry VI, 1165–97, Holy Roman emperor (1191–97) and German king (1190–97), son and successor of Holy Roman Emperor Frederick I (Frederick Barbarossa). He was crowned German king at Aachen in 116...

Burns, Robert

(Encyclopedia)Burns, Robert, 1759–96, Scottish poet. Burns's art is at its best in songs such as “Flow Gently, Sweet Afton,” “My Heart's in the Highlands,” and “John Anderson My Jo.” Two collections...

Memphis, city, United States

(Encyclopedia)Memphis mĕmˈfĭs [key], city (1990 pop. 610,337), seat of Shelby co., SW Tenn., on the Fourth, or Lower, Chickasaw Bluff above the Mississippi, at the mouth of the Wolf River; inc. 1826. A river por...

hepatitis

(Encyclopedia)hepatitis hĕpˌətīˈtĭs [key], inflammation of the liver. There are many types of hepatitis. Causes include viruses, toxic chemicals, alcohol consumption, parasites and bacteria, and certain drugs...

Havana

(Encyclopedia)Havana lä äväˈnä [key], city and, as Ciudad de La Habana, province (1997 est. pop. 2,200,000), capital of Cuba, W Cuba; largest city and chief port of the West Indies and one of the oldest cities...

pollen

(Encyclopedia)pollen, minute grains, usually yellow in color but occasionally white, brown, red, or purple, borne in the anther sac at the tip of the slender filament of the stamen of a flowering plant or in the ma...

parasite

(Encyclopedia)parasite, plant or animal that at some stage of its existence obtains its nourishment from another living organism called the host. Parasites may or may not harm the host, but they never benefit it. T...

nightshade

(Encyclopedia)CE5 Nightshade, Solanum dulcamara nightshade, common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping ty...

syphilis

(Encyclopedia)syphilis sĭfˈəlĭs [key], contagious sexually transmitted disease caused by the spirochete Treponema pallidum (described by Fritz Schaudinn and Erich Hoffmann in 1905). Syphilis was not widely reco...

anthrax

(Encyclopedia)anthrax ănˈthrăks [key], acute infectious disease of animals that can be secondarily transmitted to humans. It is caused by a bacterium (Bacillus anthracis) that primarily affects sheep, horses, ho...