Conjunctiva

[,kɒndʒʌŋk'taivә]

(noun.) a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid.

Edited by Carlos--From WordNet

(n.) The mucous membrane which covers the external surface of the ball of the eye and the inner surface of the lids; the conjunctival membrane.

Typist: Robbie