Do Humans Have Eyelids?
Do Humans Have Eyelids? The human eyelid features a row of eyelashes along the eyelid margin, which serve to heighten the protection of the eye from dust and foreign debris, as well as from perspiration. “Palpebral” (and “blepharal”) means relating to the eyelids. Why did humans lose their third eyelid? Nictitating Membrane The plica semilunaris