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neoplasm
(Encyclopedia) neoplasm or tumor, tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell…rubidium
(Encyclopedia) rubidiumrubidiumr&oomacr;bĭdˈēəm [key], metallic chemical element; symbol Rb; at. no. 37; at. wt. 85.4678; m.p. 38.89℃; b.p. 686℃; sp. gr. 1.53 at 20℃; valence +1. Rubidium is a…Bashir, Omar Hassan Ahmed al-
(Encyclopedia) Bashir, Omar Hassan Ahmed al-Bashir, Omar Hassan Ahmed al-ōˈmär häˈsän äˈmĕd äl-bäshērˈ [key], 1944–, Sudanese military and political leader, president of Sudan (1994–2019). He…Thant, U
(Encyclopedia) Thant, UThant, U&oomacr; thänt [key], 1909–74, Burmese diplomat, secretary-general of the United Nations (1962–72). Educated at University College, Yangon, he later held positions…Teller, Edward
(Encyclopedia) Teller, Edward, 1908–2003, American physicist, b. Budapest, Hungary, Ph.D. Univ. of Leipzig, 1930, where he studied under Werner Heisenberg. Fleeing the Nazis, he came to the United…euthanasia
(Encyclopedia) euthanasiaeuthanasiay&oomacr;ˌthənāˈzhə [key], either painlessly putting to death or failing to prevent death from natural causes in cases of terminal illness or irreversible coma…automation
(Encyclopedia) automation, automatic operation and control of machinery or processes by devices, such as robots that can make and execute decisions without human intervention. The principal feature…cirrhosis
(Encyclopedia) cirrhosiscirrhosissərōˈsəs [key], degeneration of tissue in an organ resulting in fibrosis, with nodule and scar formation. The term is most often used in relation to the liver,…heart, artificial
(Encyclopedia) heart, artificial, external or surgically implanted mechanical device designed to replace a patient's diseased heart. The first one used on a human being, the Jarvik-7, was implanted (…Qutb, Sayyid
(Encyclopedia) Qutb, SayyidQutb, Sayyidsīˈyĭd kŭˈtəb [key], 1906–66, Egyptian Islamist whose critique of modern civilization and Islam provides the theoretical underpinnings for many contemporary…Trending
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