Nictitating Sentence Examples

All birds have, like most reptiles, a well-developed third lid or "nictitating membrane," which moves from the inner canthus obliquely upwards and backwards over the cornea.

The eye is provided with a nictitating membrane or third eyelid, at the base of which open the ducts of the Harderian gland.

All birds have, like most reptiles, a welldeveloped third lid or " nictitating membrane," which moves from the inner canthus obliquely upwards and backwards over the cornea.

This arises from the nasal surface of the ball, and its tendon passes into the somewhat imperfectly transparent nictitating membrane.

The power of hearing is acute, and so is the sight, the eyes being protected by upper and lower lids and by a nictitating membrane.