title: Morphine addiction does not alter brain or pituitary immunoreactive dynorphin level.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D004399:Dynorphins; D004723:Endorphins / Q000378:metabolism*; D005260:Female; D006801:Humans; D009021:Morphine Dependence / Q000378:metabolism*; D010902:Pituitary Gland / Q000378:metabolism*; D011863:Radioimmunoassay; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D004723:Endorphins; D004399:Dynorphins