- conjunctiva - a transparent membrane covering the eyeball and under surface of the eyelid
--1 is a kind of mucous membrane, mucosa
--1 is a part of eye, oculus, optic; eyelid, lid, palpebra
--1 has particulars:bulbar conjunctiva, conjunctival layer of bulb, tunica conjunctiva bulbi; palpebra conjunctiva, conjunctival layer of eyelids, tunica conjunctiva palpebrarum; pinguecula; pterygium