plica lacrimalis

noun
plica lac·​ri·​ma·​lis | \ -ˌlak-rə-ˈmā-ləs How to pronounce plica lacrimalis (audio) \

Medical Definition of plica lacrimalis

: an imperfect valve at the opening of the nasolacrimal duct into the inferior meatus of the nose

called also valve of Hasner

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