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vitiligo

(Encyclopedia)vitiligo, condition that causes irregular patches of skin to lose pigment and turn white. The exact cause is unknown, but it occurs when the immune system attacks and destroys melanocytes, the cells t...

betel

(Encyclopedia)betel bēˈtəl [key], masticatory made from slices of betel palm seeds (called betel nuts) smeared onto a betel pepper leaf together with other aromatic flavorings and lime paste and rolled up. The b...

Ciechanover, Aaron

(Encyclopedia)Ciechanover, Aaron, 1947–, Israeli biochemist, M.D. Hebrew Univ.–Hadassah Medical School, Jerusalem, 1974; D.Sc. Technion (Israel Institute of Technology), Haifa, 1982. He has been on the faculty ...

Hershko, Avram

(Encyclopedia)Hershko, Avram, 1937–, Israeli biochemist, M.D. Hebrew Univ.–Hadassah Medical School, Jerusalem, 1965, Ph.D. 1969. Hershko has been a professor at the Rappaport Faculty of Medicine at the Technion...

Thomas, Edward Donnall

(Encyclopedia)Thomas, Edward Donnall, 1920–2012, American surgeon, b. Mart, Tex., M.D. Harvard, 1946. At the Univ. of Washington from 1963 (emeritus from 1990), Thomas performed (1969) the first successful bone m...

Castro, Rosalía de

(Encyclopedia)Castro, Rosalía de käsˈtrō [key], 1837–85, Spanish poet and novelist. Castro's book of verse Cantares gallegos (1863) was the first important poetry in Galician since the 13th cent.; it reflect...

Blumberg, Baruch Samuel

(Encyclopedia)Blumberg, Baruch Samuel, 1925–2011, American biochemist and medical anthropologist, b. Brooklyn, N.Y., B.S. Union College, Schenectady, N.Y., 1946, M.D. Columbia, 1951, Ph.D. Oxford, 1957. From 1957...

Banting, Sir Frederick Grant

(Encyclopedia)Banting, Sir Frederick Grant, 1891–1941, Canadian physician, M.D. Univ. of Toronto, 1922. From 1923 he was professor of medical research at Toronto. Working with C. H. Best under the direction of J....

Doudna, Jennifer Anne

(Encyclopedia)Doudna, Jennifer Anne, 1964–, American biochemist, b. Washington, D.C., Ph.D. Harvard Medical School, 1989. Doudna was a professor at Yale from 1994 to 2002, when she joined the faculty at the Univ....

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