Medical Subject Headings

Last uploaded: January 16, 2025
Id http://purl.bioontology.org/ontology/MESH/D009541
http://purl.bioontology.org/ontology/MESH/D009541
Preferred Name

Nictitating Membrane

Definitions
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.
Synonyms
Membranes, Nictitating
Third Eyelids
Eyelids, Third
Third Eyelid
Nictitating Membranes
Membrane, Nictitating
Eyelid, Third
Type http://www.w3.org/2002/07/owl#Class
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