The failure of morphine to depress selectively non-adrenergic neural inhibition of the guinea-pig taenia caeci.
D000818:Animals; D001285:Atropine / Q000494:pharmacology; D002432:Cecum / Q000294:innervation*; D004558:Electric Stimulation; D005071:Evoked Potentials / Q000187:drug effects; D005260:Female; D006145:Guanethidine / Q000494:pharmacology; D006168:Guinea Pigs; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D009433:Neural Inhibition / Q000187:drug effects*; D009435:Synaptic Transmission / Q000187:drug effects
D009020:Morphine; D001285:Atropine; D006145:Guanethidine