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midge
(Encyclopedia) midge, name for any of numerous minute, fragile flies in several families. The family Chironomidae consists of about 2,000 species, most of which are widely distributed. The…dengue fever
(Encyclopedia) dengue feverdengue feverdĕngˈgē, –gā [key], acute infectious disease caused by four closely related viruses and transmitted by the bite of the female Aedes mosquito; it is also known…diarrhea
(Encyclopedia) diarrheadiarrheadīərēˈə [key], frequent discharge of watery feces from the intestines, sometimes containing blood and mucus. It can be caused by excessive indulgence in alcohol or…decompression sickness
(Encyclopedia) decompression sickness, physiological disorder caused by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissues. It is also known…Armstrong, Lance
(Encyclopedia) Armstrong, Lance, 1971–, American cyclist, b. Dallas, Tex. He won (1991) the U.S. amateur cycling championship, turned professional (1992), and by the mid-1990s had won the Tour DuPont…embalming
(Encyclopedia) embalmingembalmingĕmbäˈmĭng, ĭm– [key], practice of preserving the body after death by artificial means. The custom was prevalent among many ancient peoples and still survives in many…endometriosis
(Encyclopedia) endometriosisendometriosisĕnˌdəmēˌtrē-ōˈsĭs [key], a condition in which small pieces of the endometrium (the lining of the uterus) migrate to other places in the pelvic area. The…multiple sclerosis
(Encyclopedia) multiple sclerosis (MS), chronic, slowly progressive autoimmune disease in which the body's immune system attacks the protective myelin sheaths that surround the nerve cells of the…myoglobin
(Encyclopedia) myoglobinmyoglobinmīˌəglōˈbĭn [key], protein molecule isolated from the cells of vertebrate skeletal muscle that is both a structural and functional relative of hemoglobin, the oxygen-…black fly
(Encyclopedia) black fly, name for any of the flies of the family Simuliidae. The black fly is about 1&fslsh;8 in. (3.2 mm) long and has large eyes, short legs, a stout, humped back, broad gauzy…Trending
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