Effects of morphine and its antagonists on release of cerebral cortical acetylcholine.
D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D002415:Cats; D002540:Cerebral Cortex / Q000187:drug effects / Q000502:physiology*; D003864:Depression, Chemical; D007977:Levallorphan / Q000494:pharmacology*; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*
D009019:Morphinans; D007977:Levallorphan; D009020:Morphine; D000109:Acetylcholine; D009269:Nalorphine