title: Activation of nucleus raphe magnus by acupuncture and enkephalinergic mechanism.
mesh_terms: D015670:Acupuncture Therapy; D000818:Animals; D004723:Endorphins / Q000378:metabolism; D004745:Enkephalins / Q000494:pharmacology*; D007478:Iontophoresis; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D009474:Neurons / Q000502:physiology; D010487:Periaqueductal Gray / Q000378:metabolism; D011903:Raphe Nuclei / Q000187:drug effects / Q000502:physiology*; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone