Decline of the calcium hypothesis of visual transduction.
D000818:Animals; D002118:Calcium / Q000502:physiology*; D006153:Guanosine Diphosphate / Q000502:physiology; D006157:Guanosine Monophosphate / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology*; D014785:Vision, Ocular / Q000502:physiology*
D006153:Guanosine Diphosphate; D006157:Guanosine Monophosphate; D002118:Calcium