Definition of rod cell Rod cell

We found 3 definitions of rod cell from 3 different sources.

What does rod cell mean?

Noun
rod cell - a visual receptor cell that is sensitive to dim light
		rod, retinal rod
		visual cell one of the cells of the retina that is sensitive to light
		retina the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

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rod cell (Noun)
Any of the cylindrical photoreceptor cells in the retina that function in dim light levels.

rod cell
A photoreceptor cell in the retina of the eye that can function in less intense light than can the other type of photoreceptor, cone cells.