释义 |
DictionarySeelacrimallacrimal punctum
lac·ri·mal punc·tum [TA] the minute circular opening of the lacrimal canaliculus, on the margin of each eyelid near the medial commissure. Synonym(s): punctum lacrimale [TA], lacrimal openinglac·ri·mal punc·tum (lak'ri-măl pŭngk'tŭm) [TA] The minute circular opening of the lacrimal canaliculus, on the margin of each eyelid near the medial commissure. lacrimal punctumA small, round or oval, opening of the lacrimal canaliculus (duct) on the margin of each eyelid near the inner canthus and situated in the middle of a small elevation the lacrimal papilla. A lacrimal punctum is normally visible only if the lid is everted. Plural: lacrimal puncta. Syn. lacrimal point. |