(Encyclopedia) Gaucher's diseaseGaucher's diseasegōshāzˈ [key], rare genetic disease involving a deficiency of an enzyme, glucocerebrosidase, which normally breaks down certain body glycolipids (i.e…
(Encyclopedia) Windaus, AdolfWindaus, Adolfäˈdôlf vĭnˈdous [key], 1876–1959, German chemist. He was professor of chemistry and director of the chemistry laboratories at the Univ. of Göttingen (1915–…
(Encyclopedia) parathyroid hormone or parathormone, a hormone secreted by the parathyroid glands that regulates the metabolism of calcium and phosphate in the body. It has been purified extensively…
(Encyclopedia) AsyutAsyutäsy&oomacr;tˈ [key], city (1986 pop. 272,986), E central Egypt, on the Nile. An industrial and trading center and also the seat of a university, it is famed for pottery,…
(Encyclopedia) tendon, tough cord composed of closely packed white fibers of connective tissue that serves to attach muscles to internal structures such as bones or other muscles. Sometimes when the…
(Encyclopedia) spavinspavinspăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial…
(Encyclopedia) transplantation, medical, surgical procedure by which a tissue or organ is removed and replaced by a corresponding part, usually from another part of the body or from another…
(Encyclopedia) ash, in chemistry, solid residue of combustion. The chemical composition of an ash depends on that of the substance burned. Wood ash contains metal carbonates (e.g., potassium…
(Encyclopedia) sarcomasarcomasärkōˈmə [key], highly malignant tumor arising in connective- and muscle-cell tissue. It is the result of oncogenes (the cancer causing genes of some viruses) and proto-…
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