nictitating membrane Synonyms
No Synonyms and anytonyms found
nictitating membrane Meaning
Wordnet
nictitating membrane (n)
a protective fold of skin in the eyes of reptiles and birds and some mammals
nictitating membrane Sentence Examples
- The nictitating membrane, commonly known as the third eyelid, protects the eye from dust and debris.
- The nictitating membrane is a transparent or translucent membrane that moves horizontally across the eye.
- Birds, reptiles, and some mammals, such as cats and dogs, possess a nictitating membrane.
- The nictitating membrane helps keep the eye moist and lubricated, especially in dry conditions.
- When the nictitating membrane is closed, it provides a protective barrier against predators and foreign objects.
- The nictitating membrane contains glands that produce tears, which helps cleanse and moisturize the eye.
- The nictitating membrane is controlled by the sympathetic nervous system and can be voluntarily or involuntarily activated.
- In some animals, the nictitating membrane is highly developed and can cover the entire eye, providing additional protection.
- The nictitating membrane is an important adaptation that helps protect the eyes of animals in various environments.
- The presence or absence of the nictitating membrane is a useful taxonomic characteristic for classifying animals.
FAQs About the word nictitating membrane
a protective fold of skin in the eyes of reptiles and birds and some mammals
No synonyms found.
No antonyms found.
The nictitating membrane, commonly known as the third eyelid, protects the eye from dust and debris.
The nictitating membrane is a transparent or translucent membrane that moves horizontally across the eye.
Birds, reptiles, and some mammals, such as cats and dogs, possess a nictitating membrane.
The nictitating membrane helps keep the eye moist and lubricated, especially in dry conditions.
