title: Further evidence for 'active' reflex vasodilation.
mesh_terms: D000818:Animals; D001808:Blood Vessels / Q000187:drug effects / Q000502:physiology*; D003042:Cocaine / Q000494:pharmacology; D003250:Constriction; D004106:Dilatation; D004285:Dogs; D005260:Female; D006145:Guanethidine / Q000494:pharmacology; D006584:Hexamethonium Compounds / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology; D006634:Histamine H1 Antagonists; D008297:Male; D008728:Methotrimeprazine / Q000494:pharmacology; D009129:Muscle Tonus / Q000187:drug effects; D005996:Nitroglycerin / Q000494:pharmacology; D009638:Norepinephrine / Q000037:antagonists & inhibitors; D010477:Perfusion; D012018:Reflex / Q000187:drug effects; D012110:Reserpine / Q000494:pharmacology; D014132:Trachea / Q000187:drug effects; D014309:Tripelennamine / Q000037:antagonists & inhibitors / Q000494:pharmacology; D014326:Tropanes / Q000494:pharmacology
chemical_list: D006584:Hexamethonium Compounds; D006634:Histamine H1 Antagonists; D014326:Tropanes; D014309:Tripelennamine; D006632:Histamine; D012110:Reserpine; D008728:Methotrimeprazine; D005996:Nitroglycerin; D003042:Cocaine; D009638:Norepinephrine; D006145:Guanethidine