[Role of endogenous acetylcholine on the circular and longitudinal smooth muscle of the guinea pig vas deferens].
D000109:Acetylcholine / Q000502:physiology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004558:Electric Stimulation; D006145:Guanethidine / Q000494:pharmacology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000502:physiology*; D011312:Pressure; D013564:Sympathetic Nervous System / Q000502:physiology; D014649:Vas Deferens / Q000502:physiology
D001285:Atropine; D000109:Acetylcholine; D006145:Guanethidine