title: Microinjection of opioids into the nucleus reticularis gigantocellularis of the rat: analgesia and increase in the normetanephrine level in the spinal cord.
mesh_terms: D000700:Analgesics; D000818:Animals; D001921:Brain; D004745:Enkephalins / Q000008:administration & dosage / Q000494:pharmacology; D006892:Hydroxydopamines / Q000494:pharmacology; D008297:Male; D008526:Medulla Oblongata; D008845:Microinjections; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D009638:Norepinephrine / Q000378:metabolism; D009647:Normetanephrine / Q000378:metabolism*; D051381:Rats; D013116:Spinal Cord / Q000187:drug effects / Q000378:metabolism*
chemical_list: D000700:Analgesics; D004745:Enkephalins; D006892:Hydroxydopamines; D009294:Narcotics; D009647:Normetanephrine; D009020:Morphine; D009638:Norepinephrine