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cone cell
(redirected from Cone cells)

    Also found in: Wikipedia 0.04 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
People who are color blind have deficiencies in certain cone cells.
Open your eyes: your students will see science in a whole new light ... by Janes, Patricia / Instructor (1990)
Rod and cone cells absorb light in the retina, then release neurotransmitters (chemical signals) to neurons in the optic nerve, or bundle of neurons (nerve cells).
Gotcha! You can easily spot a familiar face in a crowd. But what if ... by Tucker, Libby / Science World
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