The presence of inhibitory histamine H-2-receptors in guinea-pig tracheobronchial muscle.
D000818:Animals; D001980:Bronchi / Q000187:drug effects*; D002217:Carbachol / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology; D066298:In Vitro Techniques; D008297:Male; D008761:Methylhistamines / Q000494:pharmacology; D008785:Metiamide / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D011968:Receptors, Histamine / Q000187:drug effects*; D011970:Receptors, Histamine H2 / Q000187:drug effects*; D014132:Trachea / Q000187:drug effects*
D008761:Methylhistamines; D011968:Receptors, Histamine; D011970:Receptors, Histamine H2; D008785:Metiamide; D006632:Histamine; D002217:Carbachol