title: Human endorphin: comparison with procine endorphin, enkephalin and normorphine.
mesh_terms: D000818:Animals; D001681:Biological Assay; D001923:Brain Chemistry; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007700:Kinetics; D008297:Male; D009022:Morphine Derivatives / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth; D009270:Naloxone / Q000494:pharmacology; D009419:Nerve Tissue Proteins / Q000302:isolation & purification* / Q000378:metabolism / Q000494:pharmacology; D009842:Oligopeptides / Q000302:isolation & purification / Q000378:metabolism / Q000494:pharmacology; D010455:Peptides / Q000302:isolation & purification* / Q000378:metabolism / Q000494:pharmacology; D011957:Receptors, Opioid / Q000378:metabolism; D013045:Species Specificity; D013552:Swine; D014649:Vas Deferens
chemical_list: D009022:Morphine Derivatives; D009419:Nerve Tissue Proteins; D009842:Oligopeptides; D010455:Peptides; D011957:Receptors, Opioid; D009270:Naloxone; C010616:normorphine