title: Action mechanisms of the contracting drugs, K, acetylcholine and Ba, and of the relaxants, isoproterenol and papaverine in the rat's isolated ileum, especially in relation to Ca.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001464:Barium / Q000494:pharmacology*; D002118:Calcium / Q000502:physiology; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D010208:Papaverine / Q000494:pharmacology*; D011188:Potassium / Q000494:pharmacology*; D051381:Rats
chemical_list: D001464:Barium; D010208:Papaverine; D007545:Isoproterenol; D000109:Acetylcholine; D011188:Potassium; D002118:Calcium