title: Presence of endogenous morphine in toad skin.
abstract: Morphine was identified by immunological, pharmacological and physical criteria to be present in the skin of toad, rat and rabbit.
mesh_terms: D000311:Adrenal Glands / Q000032:analysis; D000818:Animals; D001921:Brain / Q000378:metabolism; D001923:Brain Chemistry; D002025:Bufonidae / Q000378:metabolism*; D002417:Cattle; D009020:Morphine / Q000032:analysis* / Q000378:metabolism; D011863:Radioimmunoassay; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism; D012867:Skin / Q000032:analysis*; D013045:Species Specificity
chemical_list: D011957:Receptors, Opioid; D009020:Morphine