Eyelid, movable tissue, consisting primarily of skin and muscle, that shields and protects the eyeball from mechanical injury and helps to provide the moist chamber essential for the normal functioning of the conjunctiva and cornea.
An eyelid is a fold of skin that closes over the eye to protect it. There are upper and lower eyelids. Many things can affect the eyelids or are related to the eyelid
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Answer:
Eyelid, movable tissue, consisting primarily of skin and muscle, that shields and protects the eyeball from mechanical injury and helps to provide the moist chamber essential for the normal functioning of the conjunctiva and cornea.
An eyelid is a fold of skin that closes over the eye to protect it. There are upper and lower eyelids. Many things can affect the eyelids or are related to the eyelid