title: A pre-synaptic inhibitory effect of 5-hydroxytryptamine on the electrically induced twitch response of the rat vas deferens.
mesh_terms: D000818:Animals; D003000:Clonidine / Q000494:pharmacology; D004558:Electric Stimulation; D066298:In Vitro Techniques; D008297:Male; D008784:Methysergide / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D051381:Rats; D012701:Serotonin / Q000494:pharmacology*; D014649:Vas Deferens / Q000187:drug effects
chemical_list: D012701:Serotonin; D003000:Clonidine; D008784:Methysergide