title: The visual pigment and vitamin A of Xenopus laevis embryos, larvae and adults.
mesh_terms: D000367:Age Factors; D000818:Animals; D004625:Embryo, Nonmammalian / Q000502:physiology; D007814:Larva / Q000502:physiology; D012168:Retinal Pigments / Q000302:isolation & purification*; D012243:Rhodopsin / Q000302:isolation & purification; D014801:Vitamin A / Q000302:isolation & purification*; D014981:Xenopus / Q000502:physiology*
chemical_list: D012168:Retinal Pigments; D014801:Vitamin A; D012243:Rhodopsin