Opacity pulse of individual minute arteries.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001001:Anura; D001158:Arteries / Q000502:physiology*; D001775:Blood Circulation / Q000187:drug effects / Q000502:physiology*; D006224:Cricetinae; D004562:Electrocardiography; D004837:Epinephrine / Q000494:pharmacology; D008638:Mesenteric Arteries / Q000502:physiology; D010783:Photometry; D010991:Plethysmography; D011674:Pulse; D051381:Rats; D014680:Veins / Q000502:physiology
D000109:Acetylcholine; D004837:Epinephrine