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Pylorus

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Definition: The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.     
See Also Gastric Emptying 		Other names Sphincters, Pyloric; Sphincter, Pyloric; Pyloric Sphincters; Pyloric Sphincter

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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