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|Noun||1.||retinal cone - a visual receptor cell in the retina that is sensitive to bright light and to color|
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
visual cell - one of the cells of the retina that is sensitive to light
iodopsin - a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision