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Kenya, Mount

(Encyclopedia) Kenya, Mount, or Mount Kirinyaga, extinct volcano, central Kenya, just south of the equator. Its highest peak, Batian, reaches 17,058 ft (5,199 m), making Mt. Kenya the highest…

Kornberg, Roger David

(Encyclopedia) Kornberg, Roger David, 1947–, American biochemist, b. St. Louis, Mo., Ph.D. Stanford, 1972; son of Arthur Kornberg. Kornberg held academic posts at Cambridge (1972–76) and Harvard (…

Lefkowitz, Robert Joseph

(Encyclopedia) Lefkowitz, Robert Joseph, 1943–, American physician, b. New York City, M.D. Columbia, 1966. Since 1973 Lefkowitz has been a professor at Duke Univ.; he was appointed a Howard Hughes…

MacKinnon, Roderick

(Encyclopedia) MacKinnon, Roderick, 1956–, American biochemist, b. Burlington, Mass., M.D. Tufts Univ., 1982. MacKinnon was on the faculty at Harvard Medical School from 1989–96 and has been a…

National Institutes of Health

(Encyclopedia) National Institutes of Health (NIH), agency of the U.S. Public Health Service, with headquarters in Bethesda, Md. It was established initially in 1887 as a laboratory in the U.S.…

Ouargla

(Encyclopedia) OuarglaOuarglawärˈglä [key], town and oasis, E Algeria. It is the administrative center of a well-watered oasis at the junction of several Saharan desert caravan routes. Ouargla lies…

mutton

(Encyclopedia) mutton, flesh of mature sheep prepared as food (as opposed to the flesh of young sheep, which is known as lamb). Mutton is deep red with firm, white fat. In Middle Eastern countries it…

myxedema

(Encyclopedia) myxedemamyxedemamĭksədēˈmə [key], condition associated with severe hypothyroidism and lack of thyroid hormone in the adult. In the child it is known as cretinism. Symptoms include a…

papaverine

(Encyclopedia) papaverinepapaverinepəpăvˈərēn [key], alkaloid found in opium that acts as a muscle relaxant and vasodilator. The drug relaxes the smooth muscle of the larger blood vessels and is used…