Bufo bufoBufo marinusBufonidaeAnuraAmphibian VenomsRanidaePhotoreceptor CellsVasotocinAmphibiansSympatryBufo arenarumUrinary BladderPhotometryAcid-Base EquilibriumRanavirusSugar AlcoholsPituitary Hormones, PosteriorMicrospectrophotometryOviductsAmphibian ProteinsMethohexitalAcariOvumVitelline DuctVasopressins