| nictitating membrane |
A clear, third eyelid in reptiles, birds, and some mammals.
출처: www.natureshift.org/rangerR/glossary.html
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| nictitating membrane |
in many vertebrates, a membrane of the eye capable of extending over the eyeball.
출처: www.baylink.org/fieldtrips/glossary.html
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| nictitating membrane |
A thin protective membrane located at the inner corner of the eye, beneath the lower eyelid. Also called the "third eyelid."
출처: www.petsmart.com/global/popups/general_popup.jsp
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