title: Venous relaxation caused by acetylcholine acting on the sympathetic nerves.
mesh_terms: D000109:Acetylcholine / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001464:Barium; D001696:Biomechanical Phenomena; D002712:Chlorides; D003250:Constriction; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D006584:Hexamethonium Compounds / Q000494:pharmacology; D066298:In Vitro Techniques; D009433:Neural Inhibition; D009638:Norepinephrine / Q000494:pharmacology; D010477:Perfusion; D011189:Potassium Chloride / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D012501:Saphenous Vein / Q000502:physiology; D012867:Skin / Q000294:innervation; D014439:Tyramine / Q000494:pharmacology; D014666:Vasomotor System / Q000502:physiology*; D014680:Veins / Q000502:physiology*
chemical_list: D002712:Chlorides; D006584:Hexamethonium Compounds; D001464:Barium; D011189:Potassium Chloride; D001285:Atropine; D011433:Propranolol; D000109:Acetylcholine; D009638:Norepinephrine; D014439:Tyramine