title: 4-Aminopyridine antagonizes the inhibitory effect of pentobarbital on acetylcholine release in the heart.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000631:Aminopyridines / Q000494:pharmacology*; D000818:Animals; D003864:Depression, Chemical; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism*; D009431:Neural Conduction / Q000187:drug effects; D010424:Pentobarbital / Q000037:antagonists & inhibitors*; D013748:Tetracaine / Q000494:pharmacology; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D000631:Aminopyridines; D013748:Tetracaine; D010424:Pentobarbital; D000109:Acetylcholine