Meaning Of The Word Nictitating membrane
What's the definition of Nictitating membrane? Find Nictitating membrane meanings, definitions and more at the Real Dictionary online.
Nictitating membrane Meaning
| Nictitating membrane Definition |
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What's The Definition Of Nictitating membrane?
nictitating membrane in American English
a transparent third eyelid hinged at the inner side or lower lid of the eye of various animals, serving to keep the eye clean and moist: it is vestigial in humans noun: a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection nictitating membrane in British English noun: (in reptiles, birds, and some mammals) a thin fold of skin beneath the eyelid that can be drawn across the eye |
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