Absorption spectra and function of the coloured oil drops in the pigeon retina.
D000818:Animals; D003118:Color Perception; D010856:Columbidae; D004192:Discrimination, Psychological; D008055:Lipids / Q000502:physiology*; D010786:Photoreceptor Cells / Q000502:physiology; D012168:Retinal Pigments / Q000502:physiology*; D013057:Spectrum Analysis
D008055:Lipids; D012168:Retinal Pigments