title: V. Discussion of selected topics about the transduction mechanism in photoreceptors.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002118:Calcium / Q000502:physiology; D004553:Electric Conductivity; D007448:Invertebrates / Q000502:physiology; D007700:Kinetics; D008027:Light; D008564:Membrane Potentials; D010786:Photoreceptor Cells / Q000502:physiology*; D012243:Rhodopsin / Q000502:physiology; D014714:Vertebrates / Q000502:physiology
chemical_list: D012243:Rhodopsin; D002118:Calcium