[Excitation and adaptation mechanisms of vertebrate photoreceptors].
D000222:Adaptation, Physiological; D000818:Animals; D002118:Calcium / Q000502:physiology; D006152:Cyclic GMP / Q000502:physiology; D003623:Dark Adaptation; D008027:Light; D008564:Membrane Potentials; D010786:Photoreceptor Cells / Q000502:physiology*
D006152:Cyclic GMP; D002118:Calcium