Abstract
In the cat under dial, the cava pocket was prepared by excluding the abdominal viscera, and atropine was given. Acetylcholine was injected in the central end of the coeliac artery in the doses of 0.4-1 mgrm. per kilo of body weight. Epinephrine was measured by means of the rabbit intestine segment,
In all the cases acetylcholine was proved to accelerate the epinephrine output rate, and in fact by 2-8 times.
