title: Some observations on the structure of receptor outer limbs.
mesh_terms: D000818:Animals; D001001:Anura; D001718:Birefringence; D055598:Chemical Phenomena; D002621:Chemistry; D003530:Cyprinidae; D006358:Hot Temperature; D008116:Lizards; D008854:Microscopy, Electron; D010782:Photolysis; D010786:Photoreceptor Cells; D012168:Retinal Pigments; D013057:Spectrum Analysis; D013997:Time Factors; D014562:Caudata; D014981:Xenopus
chemical_list: D012168:Retinal Pigments