On the vasodilator action of efferent "sympathicus via posterior root"--an efferent sympathetic double innervation of bull frog's blood vessel.
D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D002417:Cattle; D008297:Male; D008638:Mesenteric Arteries / Q000502:physiology*; D008642:Mesenteric Veins / Q000502:physiology*; D010830:Physostigmine / Q000494:pharmacology*; D011892:Rana catesbeiana; D014665:Vasodilator Agents; D014666:Vasomotor System / Q000502:physiology*
D014665:Vasodilator Agents; D001285:Atropine; D010830:Physostigmine
ATROPINE/pharmacology; MESENTERIC VESSELS/physiology; PHYSOSTIGMINE/pharmacology; VASOMOTOR SYSTEM/physiology