Pigments,Visual
《英文msh詞典》Pigments,Visual
[入口詞] Pigments,Visual
[主題詞] Retinal Pigments
[英文釋義] 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.