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chigger

(Encyclopedia)chigger, minute, six-legged, reddish larva of the harvest mite, one of various red bugs widely distributed throughout the world and common in the S United States. Attaching itself by its mouthparts to...

neuritis

(Encyclopedia)neuritis no͝orīˈtĭs, nyo͝o– [key], inflammation of a peripheral nerve, often accompanied by degenerative changes in nervous tissue. The cause can be mechanical (injury, pressure), vascular (occ...

Marshall, Barry James

(Encyclopedia)Marshall, Barry James, 1951–, Australian physician, grad. Univ. of Western Australia (M.B., B.S., 1974). Marshall he was on the staff at the Royal Perth Hospital from 1977 to 1986 and on the faculty...

Szent-Gyorgyi, Albert von

(Encyclopedia)Szent-Gyorgyi, Albert von älˈbĕrt fən sĕntˌ-dyörˈdyĭ [key], 1893–1986, American biochemist, b. Hungary, M.D. Univ. of Budapest, 1917; Ph.D. Cambridge, 1927. After teaching at the universiti...

dry rot

(Encyclopedia)dry rot, fungus disease that attacks both softwood and hardwood timber. Destruction of the cellulose causes discoloration and eventual crumbling of the wood. This frequently results in the collapse of...

gibberellins

(Encyclopedia)gibberellins jĭbˌərĕlˈĭnz [key], a group of growth-regulating substances of plants, having complex chemical structure, of which the best known, gibberellic acid, is noted for its promotion of st...

Erasistratus

(Encyclopedia)Erasistratus ĕrəsĭsˈtrətəs [key], fl. 3d cent. b.c., Greek physician, b. Chios. He was the leader of a school of medicine in Alexandria, and his works were influential until the 4th cent. a.d. H...

Bergen, town, Lower Saxony, Germany

(Encyclopedia)Bergen, town, Lower Saxony, N Germany, 13 mi (21 km) NW of Celle. Building materials are manufactured. A North Atlantic Treaty Organization base is outs...

pleurisy

(Encyclopedia)pleurisy plo͝orˈĭsē [key], inflammation of the pleura (the membrane that covers the lungs and lines the chest cavity). It is sometimes accompanied by pain and coughing. The inflammation may be dry...

eczema

(Encyclopedia)eczema ĕkˈsəmə [key], acute or chronic skin disease characterized by redness, itching, serum-filled blisters, crusting, and scaling. Predisposing factors are familial history of allergic disorders...