third eyelid
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third eyelid — n NICTITATING MEMBRANE * * * nictitating membrane … Medical dictionary
third eyelid — n. NICTITATING MEMBRANE … English World dictionary
third eyelid — third′ eye′lid n. zool. nictitating membrane … From formal English to slang
third eyelid. — See nictitating membrane. * * * … Universalium
third eyelid — noun informal term for nictitating membrane … English new terms dictionary
third eyelid — noun a protective fold of skin in the eyes of reptiles and birds and some mammals • Syn: ↑nictitating membrane • Hypernyms: ↑protective fold • Hyponyms: ↑haw • Part Holonyms: ↑eye, ↑ … Useful english dictionary
third eyelid. — See nictitating membrane … Useful english dictionary
Third cranial nerve — Nerve, third cranial: The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. There are twelve cranial nerves. The… … Medical dictionary
eyelid — /uy lid /, n. the movable lid of skin that serves to cover and uncover the eyeball. [1200 50; ME; see EYE, LID] * * * ▪ anatomy movable tissue, consisting primarily of skin and muscle, that shields and protects the eyeball from mechanical… … Universalium
eyelid — One of the two movable folds covering the front of the eyeball when closed; formed of a fibrous core (tarsal plate) and the palpebral portions of the orbicularis oculi muscle covered with skin on the … Medical dictionary
