[Insensitivity of the isolated ileum of the guinea pig to contracting agents under the effect of high doses of histamine or acetylcholine].
D000109:Acetylcholine; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D007082:Ileum / Q000494:pharmacology*
D006632:Histamine; D000109:Acetylcholine
HISTAMINE/pharmacology; ILEUM/pharmacology