The electrically stimulated ileum of the guinea-pig for measuring acetylcholine antagonism at different sites.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D004558:Electric Stimulation; D005260:Female; D005769:Gastrointestinal Motility / Q000187:drug effects; D006168:Guinea Pigs; D006584:Hexamethonium Compounds / Q000494:pharmacology*; D007082:Ileum / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D010275:Parasympathetic Nervous System / Q000187:drug effects*
D006584:Hexamethonium Compounds; D001285:Atropine; D000109:Acetylcholine