A Note on an Effect of Pyrogallol on Duodenal Motility

Abstract
Pyrogallol injected intravenously exerts an initial depressor and a secondary stimulatory effect on the duodenal motility of dogs. The first effect is similar to that of adrenaline. The duodenal excitation is thought to be due to a peripheral cholinergic mechanism. Pyrogallol enhances the duration of the inhibitory action of adrenaline on duodenal motility and converts the action of histamine to an inhibition

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