| uterine opening of uterine tubes | The uterine opening of the oviduct. Synonym: ostium uterinum tubae, ostium internum, uterine opening of uterine tubes. (05 Mar 2000) |
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| lacrimal opening | The minute circular opening of the lacrimal canaliculus, on the margin of each eyelid near the medial commissure. Synonym: punctum lacrimale, lacrimal opening. (05 Mar 2000) |