title: Autoregulatory vasoconstriction and vasodilator drugs.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002415:Cats; D006584:Hexamethonium Compounds / Q000494:pharmacology; D006614:Hindlimb / Q000098:blood supply; D007275:Injections, Intravenous; D005996:Nitroglycerin / Q000008:administration & dosage / Q000494:pharmacology; D010208:Papaverine / Q000008:administration & dosage / Q000494:pharmacology; D010646:Phentolamine / Q000008:administration & dosage / Q000494:pharmacology; D051381:Rats; D012039:Regional Blood Flow / Q000187:drug effects; D013997:Time Factors; D014655:Vascular Resistance / Q000187:drug effects*; D014665:Vasodilator Agents / Q000494:pharmacology*
chemical_list: D006584:Hexamethonium Compounds; D014665:Vasodilator Agents; D010208:Papaverine; D005996:Nitroglycerin; D010646:Phentolamine