plica semilunaris
noun
plica semi·lu·na·ris
-ˌsem-i-ˌlü-ˈnar-əs 
plural plicae semilunares
-(ˌ)ēz
: the vertical fold of conjunctiva that occupies the canthus of the eye nearer the nose and is homologous to the nictitating membrane of lower animals
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“Plica semilunaris.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/plica%20semilunaris. Accessed 1 Dec. 2024.
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