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mustard gas

(Encyclopedia) mustard gas, chemical compound used as a poison gas in World War I. The burning sensation it causes on contact with the skin is similar to that caused by oil from black mustard seeds.…

Cowley, Abraham

(Encyclopedia) Cowley, AbrahamCowley, Abrahamk&oomacr;ˈlē, kouˈ– [key], 1618–67, one of the English metaphysical poets. He published his first volume of verse, Poetical Blossoms (1633), when he…

Cornell University

(Encyclopedia) Cornell University, mainly at Ithaca, N.Y.; with land-grant, state, and private support; coeducational; chartered 1865, opened 1868. It was named for Ezra Cornell, who donated $500,000…

coccidioidomycosis

(Encyclopedia) coccidioidomycosiscoccidioidomycosiskŏksĭdˌēoiˌdōmīkōˈsĭs [key], systemic fungus disease (see fungal infection) endemic to arid regions of the Americas, contracted by inhaling dust…

chymotrypsin

(Encyclopedia) chymotrypsinchymotrypsinkīˌmōtrĭpˈsĭn [key], proteolytic, or protein-digesting, enzyme active in the mammalian intestinal tract. It catalyzes the hydrolysis of proteins, degrading them…

Anatomy and
Physiology: Stops Along the Way

Stops Along the WayAnatomy and PhysiologyThe Digestive SystemStops Along the WayIt's a Long Way DownJack-of-All-TradesRunning Along the TractPancreatic Panacea?What We Do with Our Food In order…

Selkirk, Thomas Douglas, 5th earl of

(Encyclopedia) Selkirk, Thomas Douglas, 5th earl of, 1771–1820, Scottish philanthropist, founder of the Red River Settlement. Emigration to America seemed to him the best solution for the poverty of…

tetany

(Encyclopedia) tetanytetanytĕtˈənē [key], condition of mineral imbalance in the body that results in severe muscle spasms. Tetany occurs when the concentration of calcium ions (Ca++) in extracellular…

Mason, Bobbie Ann

(Encyclopedia) Mason, Bobbie Ann, 1940–, American regional author, b. Mayfield, Ky., grad. Univ. of Kentucky (B.A., 1962), State Univ. of New York, Binghamton (M.A., 1966), Univ. of Connecticut (Ph.D…

Pavlov, Ivan Petrovich

(Encyclopedia) Pavlov, Ivan PetrovichPavlov, Ivan Petrovichēvänˈ pētrôˈvĭch pävˈləf [key], 1849–1936, Russian physiologist and experimental psychologist. He was professor at the military medical…