noun py·lo·rus \-əs\
plural py·lo·ri \-ˈlr-ˌī, -(ˌ)ē\

Definition of PYLORUS

:  the muscular opening from the vertebrate stomach into the intestine

Origin of PYLORUS

Late Latin, from Greek pylōros, literally, gatekeeper, from pylē
First Known Use: 1565
Medical Dictionary


noun py·lo·rus \pī-ˈlōr-əs, pə-ˈlr-\
plural py·lo·ri \-ˈlō(ə)r-ˌī, -(ˌ)ē\

Medical Definition of PYLORUS

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


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