title: Are there excitatory H2 receptors in guinea-pig ileum?
mesh_terms: D000818:Animals; D017259:Dimaprit; D006168:Guinea Pigs; D006635:Histamine H2 Antagonists / Q000494:pharmacology*; D007082:Ileum / Q000378:metabolism*; D007093:Imidazoles / Q000494:pharmacology; D017446:Impromidine; D066298:In Vitro Techniques; D008761:Methylhistamines / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000378:metabolism*; D011744:Pyrimidinones / Q000494:pharmacology; D011968:Receptors, Histamine / Q000378:metabolism*; D011970:Receptors, Histamine H2 / Q000378:metabolism*; D013890:Thiourea / Q000494:pharmacology
chemical_list: D006635:Histamine H2 Antagonists; D007093:Imidazoles; D008761:Methylhistamines; D011744:Pyrimidinones; D011968:Receptors, Histamine; D011970:Receptors, Histamine H2; C025566:4-methylhistamine; C033275:SK&F 93479; D017446:Impromidine; D013890:Thiourea; C027703:oxmetidine; D017259:Dimaprit