Feb 1, 1976

Modification of the gastric secretory response to sham feeding by acidification of the antrum and the duodenum in dogs

Acta Physiologica Scandinavica
L Sjödin


The effect of closure of a gastric cannula on the acid response to sham feeding was studied in Pavlov-pouch dogs with intact antro-duodenal regions as well as in antrectomized dogs with gastroduodenostomies. In the latter dogs, the sham feeding response was augmented by infusions of low doses of exogenous gastrin. The acid output after sham feeding in intact dogs was reduced on average by 59% by closure of the gastric cannula. In antrectomized dogs receiving a back-ground stimulation with gastrin, the response to ham feeding was not inhibited by closure of the cannula. The results suggest that the observed hypersecretory response to sham feeding after diversion of gastric acid from antrum and duodenum is mainly due to inactivation of antral inhibitory mechanisms. The pepsin secretion following sham feeding was not consistently changed by closure of the gastric cannula.

Mentioned in this Paper

Pyloric Antrum
Gastric Juice
Salicylhydroxamic acid
Body Parts - Cannula
Specimen Type - Cannula
Secretory Rate
Acidification - ActCode
Pepsin 3

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