Cone input to horizontal cells in the turtle retina.
D000200:Action Potentials; D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception; D003623:Dark Adaptation; D005246:Feedback; D066298:In Vitro Techniques; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology*; D012160:Retina / Q000166:cytology*; D013053:Spectrophotometry; D014426:Turtles / Q000502:physiology*