Hypothalamic chromatophore-stimulating activity in the amphibians Hyla regilla  and Ambystoma tigrinum.
D000818:Animals; D001001:Anura / Q000502:physiology*; D002856:Chromatophores / Q000502:physiology*; D004625:Embryo, Nonmammalian; D006728:Hormones / Q000502:physiology*; D007016:Hypophysectomy; D007031:Hypothalamus / Q000502:physiology* / Q000637:transplantation*; D008543:Melanins / Q000502:physiology*; D010858:Pigmentation / Q000187:drug effects*; D014184:Transplantation, Homologous; D014562:Caudata / Q000502:physiology*
D006728:Hormones; D008543:Melanins