How does the retina transform light?
D000818:Animals; D002118:Calcium / Q000502:physiology; D006152:Cyclic GMP / Q000502:physiology; D004594:Electrophysiology; D006801:Humans; D007473:Ion Channels / Q000502:physiology; D008027:Light; D010786:Photoreceptor Cells / Q000502:physiology; D011188:Potassium / Q000502:physiology; D012160:Retina / Q000502:physiology*; D012964:Sodium / Q000502:physiology
D007473:Ion Channels; D012964:Sodium; D006152:Cyclic GMP; D011188:Potassium; D002118:Calcium