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Definition of Pyloric stenosis

Pyloric stenosis: Narrowing (stenosis) of the outlet of the stomach so that food cannot pass easily from it into the duodenum, resulting in feeding problems and projectile vomiting. The obstruction can be corrected by a relatively simple surgical procedure.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5147
Last Editorial Review: 3/26/1998 2:28:00 PM

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