title: Effect of endocrine modifications and pharmacological treatments on brain and pituitary concentrations of beta-endorphin.
mesh_terms: D000315:Adrenalectomy; D000375:Aging; D000818:Animals; D001921:Brain / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*; D002369:Castration; D004723:Endorphins / Q000378:metabolism*; D005260:Female; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D010424:Pentobarbital / Q000494:pharmacology; D010902:Pituitary Gland / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*; D051381:Rats; D013965:Thyroidectomy; D013974:Thyroxine / Q000494:pharmacology; D014018:Tissue Distribution
chemical_list: D004723:Endorphins; D009270:Naloxone; D009020:Morphine; D010424:Pentobarbital; D013974:Thyroxine