title: Studies on S-potential control mechanisms in the fish retina.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D003118:Color Perception / Q000502:physiology; D004594:Electrophysiology / Q000295:instrumentation / Q000379:methods; D005399:Fishes / Q000502:physiology*; D009474:Neurons / Q000502:physiology*; D010646:Phentolamine / Q000494:pharmacology; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000166:cytology / Q000502:physiology*
chemical_list: D010646:Phentolamine