Retinal Pigments
| Definition: |
Chemicals functioning in the visual cycle in retinal rod cells. Through excitation by visible light, a series of complex molecular changes occur that serve to trigger in the optical nerve endings an impulse transmitted to the brain, resulting in the perception of vision. |
| Notes: |
not for deposition of pigments in the retina (= RETINITIS PIGMENTOSA) |
Retinal Pigments Categories.
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Opsin - A visual pigment protein found in the retinal rods. It combines with retinaldehyde to form RHODOPSIN. |
Retinal Pigments Definitions and Terms
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