Border and colour coding in the retina of the frog.
D000200:Action Potentials; D000818:Animals; D001001:Anura; D003116:Color; D003118:Color Perception; D008027:Light; D009474:Neurons / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology; D011896:Rana temporaria / Q000502:physiology*; D012160:Retina / Q000502:physiology*