GASTRIC MOTILITY

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Abstract
PROPAGATION OF THE GASTRIC PERISTALTIC WAVE While there is no direct proof that a conduction system exists along the lesser curvature, nevertheless numerous facts tend to show that this curvature is more closely connected with the orderly propagation of gastric peristaltic waves than any other part of the stomach. In the first place, the structural differences while not significant still are suggestive. The differences in the muscosal folds and in the glands may be passed over as not bearing especially on the present problem. Keith,1 however, in studying the myenteric plexus found it was well developed along the lesser curvature and in the pyloric division of the stomach. In the fundus and body of the stomach, the fibers of this plexus were much less abundant. Interesting, too, is a further observation of his that stimulation of the lesser curvature near the cardia in a rabbit was followed by the

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