cone cell

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Related to cone cell: rod cell
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cone cell - a visual receptor cell in the retina that is sensitive to bright light and to color
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
iodopsin - a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
References in periodicals archive ?
Some fish even have a fourth type of cone cell for sensing ultraviolet light, while some can sense polarised light.
In its congenital form, there is a complete absence of cone cell activity, a condition also referred to as 'rod monochromacy' or 'total colour blindness.
Cone Cell Mosaics in Chick Retinas: A Statistical Analysis.
In fact, most recently, Xu et al [19] succinctly showed that maturing cone cell precursors with mutations in cancer suppressor gene RB1 contained a signalling network with oncogenic effects that resulted in retinoblastoma.
When an S cone cell sends a lot of messages to the brain, we recognise it as the colour blue.
Nathan Scott Hart and colleagues said that sharks have only one type of cone cell in their eyes so they can't distinguish between colours.
So the team concluded that Pias3 promotes rod cell development and suppresses cone cell development.
Each cone cell in the retina's center sends an unadulterated signal to the brain.
For example, when volunteers looked at tiny points of red light that had a wavelength of 633 nanometers, the color sometimes appeared green--depending on which type of cone cell the beam happened to hit.
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.
The cone cells which lie at the centre of your retina provide you with colour vision but aren't very light-sensitive.