title: Behavioural dissociation of the enkephalinergic systems of nucleus accumbens and nucleus caudatus.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D002421:Caudate Nucleus / Q000187:drug effects*; D004745:Enkephalins / Q000378:metabolism*; D005917:Globus Pallidus / Q000187:drug effects; D008297:Male; D009020:Morphine / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D009270:Naloxone / Q000031:analogs & derivatives*; D009271:Naltrexone / Q000494:pharmacology*; D009830:Olfactory Bulb / Q000187:drug effects*; D009842:Oligopeptides / Q000378:metabolism*; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D013238:Stereotaxic Techniques
chemical_list: D004745:Enkephalins; D009842:Oligopeptides; D011957:Receptors, Opioid; D009270:Naloxone; D009271:Naltrexone; D009020:Morphine