FMA definition : Organ with organ cavity, each instance of which connects some vestibule of the conjunctival
sac to some nasal cavity. Examples: There are only two lacrimal ducts, the right and
the left lacrimal ducts.;
Organ with organ cavity, each instance of which connects some vestibule of the conjunctival
sac to some nasal cavity. Examples: There are only two lacrimal ducts, the right and
the left lacrimal ducts.