Source:http://linkedlifedata.com/resource/umls/id/C0229271
UWDA: Serous sac which consists of the conjunctiva surrounding the cavity of conjunctival sac. Examples: There are only two conjunctival sacs, the right and the left.,FMA: Serous sac, which has as parts the conjunctiva and the cavity of conjunctiva. Examples: There are only two conjunctival sacs, the right and the left.