Colour vision in man and animals.
D000818:Animals; D001516:Bees / Q000502:physiology*; D003118:Color Perception; D005829:Geniculate Bodies / Q000502:physiology; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D008564:Membrane Potentials; D009474:Neurons / Q000502:physiology; D010827:Physiology / Q000266:history; D010828:Physiology, Comparative; D011984:Sensory Receptor Cells / Q000502:physiology; D013057:Spectrum Analysis; D014785:Vision, Ocular; D014793:Visual Cortex / Q000502:physiology