cone cell(redirected from retinal cone)
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cone cell(kōn sel)
One of the two types of visual receptor cells of the retina, essential for visual acuity and color vision; the second type is the rod cell.
A cell in the retina whose scleral end forms a cone that serves as a light receptor. Vision in bright light, color vision, and acute vision depend on the function of the cones. See: rod cell
See also: cell