"Nictitating Membrane" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
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.
- Nictitating Membrane
- Membrane, Nictitating
- Membranes, Nictitating
- Nictitating Membranes
- Third Eyelid
- Eyelid, Third
- Eyelids, Third
- Third Eyelids
Below are MeSH descriptors whose meaning is more general than "Nictitating Membrane".
Below are MeSH descriptors whose meaning is more specific than "Nictitating Membrane".
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