bezoar /be·zoar/ (be´zor) a concretion of foreign material found in the gastrointestinal or urinary tract.
bezoar
bezoar
be·zoar (b  zôr )n. A hard indigestible mass of material, such as hair, vegetable fibers, or the seeds and skins of fruits, formed in the alimentary canal. |
bezoar
[bē′zôr]
Etymology: Ar, bazahr, protection against poison
a hard ball of hair or vegetable fiber that may develop within the stomach of humans. More often it is found in the stomachs of ruminants. In some societies it was formerly considered a useful medicine and possessed of certain magical properties. It is apparently still used as a therapeutic and mystical device by some, especially in the Far East.
bezoar
a mass formed in the stomach by compaction of repeatedly ingested material that does not pass into the intestine. See also phytobezoar, trichobezoar.
bezoar
Gastroenterology A mass of foreign material in the stomach–food, mucus, vegetable fiber, hair, or other indigestible material, facilitated by partial or complete gastrectomy, as acid hydrolysis of gastric content is ↓;
undigested bezoars cause discomfort or pain, halitosis,
gastric erosion or ulceration and potentially peritonitis, hemorrhage, obstruction, N&V; the mass is more easily palpable in tricho- than in
phytobezoars
gastric erosion or ulceration and potentially peritonitis, hemorrhage, obstruction, N&V; the mass is more easily palpable in tricho- than in
phytobezoars
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