retinal rod


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Noun1.retinal rod - a visual receptor cell that is sensitive to dim light
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
visual cell - one of the cells of the retina that is sensitive to light
retinal purple, rhodopsin, visual purple - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
References in periodicals archive ?
A substantial portion of the book is devoted to the rhodopsin-based phototransduction pathway in vertebrate retinal rod cells.
Classically in affected people, the retinal rod photoreceptors responsible for night vision and side vision slowly degenerate, first leading to night blindness.

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