Source:http://linkedlifedata.com/resource/umls/id/C0459624
UWDA: Organ with organ cavity which connects the vestibule of the conjunctival sac to the nasal cavity. Examples: There are only two lacrimal ducts, the right and the left lacrimal ducts.,FMA: Organ with organ cavity which connects the vestibule of the conjunctival sac to the nasal cavity. Examples: There are only two lacrimal ducts, the right and the left lacrimal ducts.