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Definition of Meckel's diverticulum
1. Noun. A congenital diverticulum in the ileum resulting from incomplete closure of the yolk sac.
Generic synonyms: Diverticulum
Medical Definition of Meckel's diverticulum
1. An out-pouching of the small bowel (ileum). Present in about 2% of people and usually occurs about 2 feet before the junction with the colon. Can be lined by stomach-type mucosa and ulcerate, perforate, or cause small bowel obstruction. (12 Dec 1998)
Lexicographical Neighbors of Meckel's Diverticulum
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