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cone cell

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
cone cell
n.
One of the photoreceptors in the retina of the eye that is responsible for daylight and color vision; they are densely concentrated in the fovea centralis, creating the area of greatest visual acuity. Also called cone, retinal cone.


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Two or more types of cone cells work together to sense color in abundant light, and a single type of rod cell detects light more sensitively, but only in black and white.
Color at night: geckos can distinguish hues by dim moonlight by Milius, S. / Science News
Artificial retina Responds to light like rod and cone cells in a real retina.
Bionic eye. (Life/Tech News) by Allen, Laura / Science World
Prior investigations have failed to clarify whether color constancy is an innate capability of the retina's cone cells or it's acquired only with help from the brain's visual system.
Lighting up the rainbow: color perception tied to early visual ... by Bower, B. / Science News
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