Oct 1, 1975

Characteristics of gastric inhibition by acidification of oxyntic gland area

The Journal of Physiology
S J KonturekJ Tasler


1. Gastric acid responses to the test meals were measured in the Heidenhain pouch, gastric and pancreatic fistula dogs, using the intragastric titration method, and monitoring the rate at which a solution of 1-0 N-NaOH had to be added to maintain the pH of the gastric content constant at pre-selected values ranging from 5-0 to 1-0. In this way the pH profile of the gastric acid and pepsin responses to a liver extract meal kept in the Heidenhain pouch or gastric fistula as well as to exogenous stimuli such as histamine, pentagastrin or Urecholine could be determined. 2. A liver extract meal adjusted to pH 5-0 produced a potent and pressure-related stimulation of acid secretion from the Heidenhain pouch without any change in secretion from the main stomach and pancreas or in the serum concentration of immuno-assayable gastrin. 3. Graded decrease of the liver extract meal pH to below 5-0 resulted in the pH-dependent inhibition of gastric acid output, which at pH 1-0 was only about 30% of the value attained at pH 5-0. Acid secretion from the Heidenhain pouch induced by exogenous stimuli such as histamine, pentagastrin or Urecholine also showed gradual decrease when the pH of the pouch content was decreased in sequential order from ...Continue Reading

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Mentioned in this Paper

Histamine Measurement
Chloride Ion Level
Gastric Fistula
Gastric Juice
Gastric Content
Principal Gastric Gland
Metiamide Monohydrochloride
Benign Tumor of Pancreas
Structure of Pyloric Gland
Secretin Measurement

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