INFLUENCE OF EXTENSIVE RESECTION OF THE SMALL INTESTINE ON THE MOVEMENT OF THE LARGE BOWEL

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An electromyographic study of the influence of extensive resection of the small intestine on the movement of the large bowels was carried out. Thirt mongrel dogs weighing 4 to 8 kg were used for experiments.<BR>After one-third resection of the upper, middle or lower small intestine, electrical activity of the ascending colon was markedly repressed, while that of the descending colon was not so influenced.<BR>The action potentials of the ascending colon almost disappeared after two-thirds resection of the upper, middle or lower small intestine, but the descending colon was not influenced by these procedures.<BR>From the results mentioned above, it is considered that the function of the remaining small intestine after extensive resection was partially compensated by the ascending colon.
日本平滑筋学会の論文