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nictitating membrane
(redirected from Inner eyelid)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.03 sec.
nictitating membrane
see also membrana nictitans, third eyelid.

nictitating membrane flap
using the membrana nictitans (third eyelid) as a flap in the treatment of corneal ulcer by sewing the eyelid across the cornea.
nictitating membrane prolapse
occurs when the globe of the eye is depressed in the orbit, as in dehydration and emaciation. It is also a diagnostic sign of tetanus in many species; the membrane flicks across the eye whenever the animal is startled.


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