conjunctiva(n = noun.body) - a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid;
Derived form adjective conjunctival1
The mucous membrane which covers the external surface of the ball of the eye and the inner surface of the lids; the conjunctival membrane. [1913 Webster]
conjunctiva, n. (pl. conjunctivas) Anat. the mucous membrane that covers the front of the eye and lines the inside of the eyelids.
Derivative:
conjunctival adj.
Etymology:
med.L (membrana) conjunctiva (as conjunctive)