The horizontal cells.
D000200:Action Potentials; D000818:Animals; D003623:Dark Adaptation; D005399:Fishes; D009474:Neurons / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000166:cytology* / Q000502:physiology; D009435:Synaptic Transmission; D014794:Visual Fields