Heister valve
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valve of Heister — valve of Hei·ster hī stər n SPIRAL VALVE Heister Lorenz (1683 1758) German anatomist and surgeon. Heister was one of the founders of scientific surgery. His works on medicine, anatomy, and surgery were widely read for several generations. His… … Medical dictionary
Heister diverticulum fold valve — Heis·ter diverticulum, fold, valve (hīsґtər) [Lorenz Heister, German anatomist, 1683–1758] see bulbus superior venae jugularis and plica spiralis … Medical dictionary
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
valve of heister — ˈhīstə(r) Usage: usually capitalized H Etymology: after Lorenz Heister died 1758 German surgeon : valvula spiralis … Useful english dictionary
Heister — Lorenz, German anatomist, 1683–1758. See H. diverticulum, H. valve … Medical dictionary
valve of Heister — noun see valvula spiralis … Useful english dictionary
spiral valve — n a series of crescentic folds of mucous membrane somewhat spirally arranged on the interior of the gallbladder and continuing into the cystic duct called also valve of Heister … Medical dictionary
spiral valve of cystic duct — spiral valve of Heister plica spiralis … Medical dictionary
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
History of Medicine — History of Medicine † Catholic Encyclopedia ► History of Medicine The history of medical science, considered as a part of the general history of civilization, should logically begin in Mesopotamia, where tradition and philological… … Catholic encyclopedia
