The dual mode of action of histamine in the cat isolated tracheal chain.
D000818:Animals; D002217:Carbachol / Q000494:pharmacology*; D002395:Catecholamines / Q000502:physiology; D002415:Cats; D004983:Ethanolamines / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology*; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D014132:Trachea / Q000187:drug effects*
D002395:Catecholamines; D004983:Ethanolamines; D006634:Histamine H1 Antagonists; D006632:Histamine; D002217:Carbachol