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Definition of Nictitating membrane
1. Noun. A protective fold of skin in the eyes of reptiles and birds and some mammals.
Exact synonyms: Third Eyelid
Group relationships: Eye, Oculus, Optic
Generic synonyms: Protective Fold
Specialized synonyms: Haw
Group relationships: Eye, Oculus, Optic
Generic synonyms: Protective Fold
Specialized synonyms: Haw
Medical Definition of Nictitating membrane
1. A transparent fold of skin lying deep to the other eyelids at the mesial side, which may be drawn over the front of the eyeball. It is the so-called third eyelid, found in reptiles and birds generally and in many mammals. (12 Dec 1998)
Lexicographical Neighbors of Nictitating Membrane
nicoumalone nictate nictated nictates nictating nictation nictation nictations nictitant nictitate | nictitate nictitated nictitates nictitating nictitating membrane (current term) nictitating membrane (current term) nictitating spasm nictitation nictitation NICU | nid nidal nidal nidamental Nidaros nidate nidated nidates nidating nidation |