title: Visual pigments of crayfish.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D003118:Color Perception; D003445:Crustacea / Q000502:physiology*; D006898:Hydroxylamines; D008027:Light; D009799:Ocular Physiological Phenomena; D011830:Radiation Effects; D012168:Retinal Pigments / Q000502:physiology*; D013057:Spectrum Analysis; D014020:Tissue Extracts; D014801:Vitamin A
chemical_list: D006898:Hydroxylamines; D012168:Retinal Pigments; D014020:Tissue Extracts; D014801:Vitamin A