pylorus

noun py·lo·rus \-əs\

plural py·lo·ri \-ˈlȯr-ˌī, -(ˌ)ē\

Definition of PYLORUS

: the muscular opening from the vertebrate stomach into the intestine

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Late Latin, from Greek pylōros, literally, gatekeeper, from pylē

First Known Use: 1565

Medical Dictionary

noun py·lo·rus \pī-ˈlōr-əs, pə-ˈlȯr-\

plural py·lo·ri \-ˈlō(ə)r-ˌī, -(ˌ)ē\

: the opening from the vertebrate stomach into the intestine—see pyloric sphincter

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