PYLORUS - Definition

Pronunciation:		pI'lowrus
WordNet Dictionary

	Definition:	[n] a small circular opening between the stomach and the duodenum

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	See Also:	musculus sphincter pylori, opening, orifice, porta, pyloric sphincter, pyloric valve

Webster's 1913 Dictionary

	Definition:	\Py*lo"rus\, n.; pl. {Pylori}. [L., fr. Gr. ? pylorus, gate keeper; ? a gate + ? watcher, guardian.] (Anat.) (a) The opening from the stomach into the intestine. (b) A posterior division of the stomach in some invertebrates.

Medical Dictionary

	Definition:	opening from the stomach into the top of the small intestine (duodenum).

Biology Dictionary

	Definition:	The narrow opening that separates the stomach and the small intestine.