title: Effects of light and darkness on the visual pigments of amphibian tadpoles.
mesh_terms: D000557:Ambystoma; D000663:Amphibians; D000818:Animals; D003624:Darkness; D007814:Larva; D008027:Light; D008675:Metamorphosis, Biological; D011892:Rana catesbeiana; D012160:Retina / Q000032:analysis / Q000187:drug effects; D012168:Retinal Pigments / Q000032:analysis*; D013045:Species Specificity; D013053:Spectrophotometry; D013696:Temperature; D013890:Thiourea / Q000494:pharmacology; D014981:Xenopus
chemical_list: D012168:Retinal Pigments; D013890:Thiourea