(Encyclopedia) cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike…
(Encyclopedia) bioethics, in philosophy, a branch of ethics concerned with issues surrounding health care and the biological sciences. These issues include the morality of abortion, euthanasia, in…
(Encyclopedia) crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis. At…
(Encyclopedia) Almodóvar, PedroAlmodóvar, Pedropāˈᵺrō älmōᵺōˈbär [key], 1951–, Spanish film director. Almodóvar began making short films using an inexpensive Super 8 camera in the early 1970s,…
(Encyclopedia) Brenner, Sydney, 1927–2019, British molecular biologist, Ph.D. Oxford, 1954. He was director of the MRC Laboratory of Molecular Biology in Cambridge, England (1979–86), and director of…
(Encyclopedia) Donen, Stanley, 1924–2019, American film director, choreographer, and producer, b. Columbia, S.C. He is best known for directing some of Metro-Goldwyn-Mayer's finest musicals. In 1940…
(Encyclopedia) Jacob, FrançoisJacob, FrançoisfräNswäˈ zhäkôbˈ [key], 1920–2013, French biologist and geneticist, educated at the Sorbonne. His medical studies were interrupted by World War II. He…
(Encyclopedia) emphysemaemphysemaĕmfĭsēˈmə [key], pathological or physiological enlargement or overdistention of the air sacs of the lungs. A major cause of pulmonary insufficiency in chronic…
(Encyclopedia) musicals, earlier known as musical comedies, plays that incorporate music, song, and dance. These elements move with the plot, heightening and commenting on the action.
Mixing the…
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