plica semilunaris การใช้

• Lemurs also have a third eyelid known as a nictitating membrane, whereas most other primates have a lesser developed plica semilunaris.
• With ocular allergies, the lacrimal caruncle and the plica semilunaris of the conjunctiva may be inflamed and pruritic ( itchy ) due to histamine release in the tissue and tear film.