Characterization of the endorphins, novel hypothalamic and neurohypophysial peptides with opiate-like activity: evidence that they induce profound behavioral changes.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D001681:Biological Assay; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000032:analysis / Q000494:pharmacology; D007031:Hypothalamus / Q000032:analysis; D007276:Injections, Intraventricular; D009197:Myenteric Plexus / Q000187:drug effects; D010904:Pituitary Gland, Posterior / Q000032:analysis; D051381:Rats
D004723:Endorphins; D004745:Enkephalins