rod cell

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Related to rod cell: cone cell
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rod cell - 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 ?
Thus, the point is that if the APD does not detect a single photon, signal photon, then the AOM is not activated for further interaction with rod cell (see Fig.
But that can be explained by the fact that more than 90 percent of photons that enter the front of the eye never reach the sensitive light-detecting rod cell.
In darkness, the rod cell plasmalemma is depolarized and the rods secrete neurotransmitters.
This particular tie rod cell had experienced ongoing problems with the original marking system, which consisted of two marking heads being controlled by one CPU (central processing unit) at each station.
Each rod cell has about 100 million rhodopsin receptors, and each one can detect a single photon at a time.
Ali plans to try implanting rod cell precursors made from stem cells.
The flow of nutrients across the retinal membrane appears to be more important for rod cell than for cone cell function, and it is here that environmental factors--such as smoking, deficient nutrition, excessive sunlight exposure, and inflammation--may influence visual decline.
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.
Such experiments demonstrate that exposing the inner surface of the rod cell the channels to open, but calcium does not have this effect.
So the team concluded that Pias3 promotes rod cell development and suppresses cone cell development.
It is caused because rhodopsin, a light-sensitive protein found in the rod cells of the retina, regenerates more slowly as we age.
There are two types: rod cells that function for night vision and peripheral vision, and cone cells that provide central vision (visual acuity) and discern color.