So, what was a third eyelid doing in a human? Most refer to such bits of tissue as vestigial. The word means a structure that ...
Daily Wrap on MSN9mon
Third eyelid: A hidden shield in animals' eyesOur pets, like dogs and cats, have a third eyelid known as the nictitating membrane. This thin, moist membrane protects the ...
The South African on MSN6d
Furry Fun Fact of the Day: What is a nictitating membrane in cats?Discover daily furry fun facts. Whether adorable or kind of gross, our pets never cease to amaze us. Join us in exploring their world!
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