adjective Download 🔗Share Of or pertaining to the retina. Examples : "The eye doctor examined the retinal blood vessels during my check-up to make sure my eyes were healthy. " anatomy organ physiology medicine biology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One of several yellow or red carotenoid pigments formed from rhodopsin by the action of light. Examples : "As the bright sunlight streamed through the window, the rhodopsin in his eyes broke down, forming retinal that allowed him to see the world more clearly. " physiology organ biochemistry medicine biology anatomy chemistry Chat with AIVocabulary GamePractice Reading