title: The effects of morphine-like substances and their antagonists on transmission at the neuro-effector junction of the myenteric plexus-longitudinal muscle preparation of the guinea-pig ileum.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D003864:Depression, Chemical; D004558:Electric Stimulation; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D009130:Muscle, Smooth / Q000187:drug effects*; D009451:Neuroeffector Junction / Q000187:drug effects*; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D009020:Morphine; D000109:Acetylcholine