title: Pharmacological mechanisms in the eustachian tube.
mesh_terms: D000316:Adrenergic alpha-Agonists / Q000494:pharmacology; D000318:Adrenergic beta-Agonists / Q000494:pharmacology; D000818:Animals; D001794:Blood Pressure; D002496:Central Venous Pressure; D004285:Dogs; D004837:Epinephrine; D005064:Eustachian Tube / Q000098:blood supply / Q000187:drug effects*; D006632:Histamine / Q000494:pharmacology*; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007545:Isoproterenol / Q000494:pharmacology; D008729:Methoxamine / Q000494:pharmacology; D009092:Mucous Membrane / Q000098:blood supply; D013618:Tachyphylaxis; D014662:Vasoconstrictor Agents / Q000494:pharmacology*; D014665:Vasodilator Agents / Q000494:pharmacology*
chemical_list: D000316:Adrenergic alpha-Agonists; D000318:Adrenergic beta-Agonists; D006634:Histamine H1 Antagonists; D014662:Vasoconstrictor Agents; D014665:Vasodilator Agents; D006632:Histamine; D008729:Methoxamine; D007545:Isoproterenol; D004837:Epinephrine