Sympathetic vasodilatation in the dog's paw.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001920:Bradykinin / Q000378:metabolism; D001949:Bretylium Compounds / Q000494:pharmacology*; D004285:Dogs; D006632:Histamine / Q000494:pharmacology; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D007866:Leg / Q000098:blood supply; D008688:Methacholine Compounds / Q000494:pharmacology*; D009132:Muscles / Q000098:blood supply; D013564:Sympathetic Nervous System / Q000502:physiology*; D014655:Vascular Resistance; D014666:Vasomotor System / Q000502:physiology*
D001949:Bretylium Compounds; D006634:Histamine H1 Antagonists; D008688:Methacholine Compounds; D001285:Atropine; D006632:Histamine; D000109:Acetylcholine; D001920:Bradykinin