title: Direct relaxant actions of procaine and tetrodotoxin on vascular smooth muscle.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001775:Blood Circulation; D001794:Blood Pressure / Q000187:drug effects*; D001803:Blood Transfusion; D001949:Bretylium Compounds / Q000494:pharmacology; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology; D004983:Ethanolamines / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology; D007545:Isoproterenol / Q000494:pharmacology; D009132:Muscles / Q000098:blood supply*; D010477:Perfusion; D010643:Phenoxybenzamine / Q000494:pharmacology; D010646:Phentolamine / Q000494:pharmacology; D010879:Piperazines / Q000494:pharmacology; D011343:Procaine / Q000494:pharmacology*; D013566:Sympathomimetics / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology*; D013848:Thigh / Q000098:blood supply
chemical_list: D001949:Bretylium Compounds; D004983:Ethanolamines; D010879:Piperazines; D013566:Sympathomimetics; D010643:Phenoxybenzamine; D013779:Tetrodotoxin; D011343:Procaine; D006632:Histamine; D007545:Isoproterenol; D000109:Acetylcholine; D004837:Epinephrine; D010646:Phentolamine