Abstract

This work was conducted on 4 dogs esophagotomy and gastric fistula, isolated Pavlov's pouch, gastric fistula and Heidenhain's pouch, fistula of the stomach and isolated gastric pouch made of pylorus), in which one of the vagus nerves was enclosed into a cuff on the neck, and the other divided. As shown by experiments, the compression of the cuff by a force a little over 120 mm Hg provokes a block of the vagus conductivity, which may be estimated by the acceleration of the pulse and the appearance of Horner's syndrome. This excludes the first and the second phases of the gastric secretion, as well as secretion provoked by stimulating the mucous membrane of the isolated pyloric pouch.

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