umls-concept:C0459624 | skos:definition | 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. | lld:umls |