Sulfhydryl requirement for relaxation of vascular smooth muscle.

Animals Aorta, Thoracic/drug effects Blood Vessels/physiology Cysteine/metabolism Dose-Response Relationship, Drug Ethacrynic Acid/pharmacology Furosemide/pharmacology Hydrogen-Ion Concentration In Vitro Techniques Muscle Contraction/drug effects Muscle, Smooth/drug effects,physiology Nitrites/metabolism Nitroglycerin/pharmacology Norepinephrine/pharmacology Rabbits Refractory Period, Electrophysiological/drug effects Sulfhydryl Compounds/metabolism Vasodilator Agents/pharmacology

Nitrites Sulfhydryl Compounds Vasodilator Agents Furosemide Nitroglycerin Cysteine Ethacrynic Acid Norepinephrine