Nictitating Definition

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.