Canadian Medical Guide > Anatomy > Animal Structures > Nictitating Membrane Terms and Definitions




Nictitating Membrane

Medical Definition: A fold of the mucous membrane of the CONJUNCTIVA in many animals. At rest, it is hidden in the medial canthus. It can extend to cover part or all of the cornea to help clean the CORNEA.
Guide Notes: ptosis of X ref THIRD EYELID: coord IM with EYELID DISEASES /vet (IM), not BLEPHAROPTOSIS

Nictitating Membrane Medical Definitions and Terms

CANADIAN MEDICAL GUIDE

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