RODCELL

Rod cell

Rod cells, or rods, are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor, cone cells. Rods are concentrated at the outer edges of the retina and are used in peripheral vision. On average, there are approximately 125 million rod cells in the human retina. More sensitive than cone cells, rod cells are almost entirely responsible for night vision.

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rod cell

Noun

  1. Any of the cylindrical photoreceptor cells in the retina that function in dim light levels.


The above text is a snippet from Wiktionary: rod cell
and as such is available under the Creative Commons Attribution/Share-Alike License.

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