Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.