nictitating membrane in English

noun
1
a whitish or translucent membrane that forms an inner eyelid in birds, reptiles, and some mammals. It can be drawn across the eye to protect it from dust and keep it moist.
Crocodilians' eyes are immobile spheres covered by three eyelids: the third eyelid, the nictitating membrane , is transparent, but protects the eye from water.
noun
    third eyelid

Use "nictitating membrane" in a sentence

Below are sample sentences containing the word "nictitating membrane" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "nictitating membrane", or refer to the context using the word "nictitating membrane" in the English Dictionary.

1. The nictitating membrane also covers the eye and acts as a contact lens in many aquatic birds.

2. The Beaver's eyes have a thin, transparent membrane, called a nictitating membrane, which is pulled over the eyeball for underwater work

3. In comparison with noradrenaline the pressure effect is reduced after adrenalectomy and cocaine; an increased sensibility of the blood pressure and the nictitating membrane to adrenaline and noradrenaline and less pronounced to tyramine; an inhibition of the adrenergic neuron function, demonstrated at the nictitating membrane, the peripheral splanchnic nerve stimulation and the blood pressure action of a nicotine-like substance.

4. Distinct nicotine antagonistic and local anaesthetic properties are also present. a sympathomimetic action, visible in a rise of the arterial blood pressure and a contracture of the nictitating membrane.