Abstract:Changes in gastric motility induced by distension of the stomach were studied electromyographically in anesthetized dogs. In vagotomized dogs, gastric distension decreased the electrical control activity (ECA) frequency. The magnitude of this decrease was correlated with the degree of gastric distension; its' frequency decreased from 4.7 to 3.5 Hz/min with 400 ml distension. In splanchnicectomized dogs, 400 ml gastric distension also evoked a decrease in ECA frequency from 3.9 to 2.9 Hz/min. In vagotomized and… Show more
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