. American practice of surgery ; a complete system of the science and art of surgery . ^it was found that, as the stomach drained and became smaller, it pulled upon SURGICAL DISEASES OF THE INTESTINES. 701 the afferent loop until it was tightly drawn between its fixed point, the liga-ment of Treitz, and its retracting point, the gastro-intestinal stoma, at whichpoint it finally gave way with a fatal result. Mumford refers to the obser-vation of Professor Dwight of Har\ard, who, contrary to Gray, Quain, andHuntington, found that the fourth portion of the duodenum is in front of thespinal column
. American practice of surgery ; a complete system of the science and art of surgery . ^it was found that, as the stomach drained and became smaller, it pulled upon SURGICAL DISEASES OF THE INTESTINES. 701 the afferent loop until it was tightly drawn between its fixed point, the liga-ment of Treitz, and its retracting point, the gastro-intestinal stoma, at whichpoint it finally gave way with a fatal result. Mumford refers to the obser-vation of Professor Dwight of Har\ard, who, contrary to Gray, Quain, andHuntington, found that the fourth portion of the duodenum is in front of thespinal column, or even slightly to the right, in from ten to twelve per cent ofadult cases—a fact of some importance to the surgeon in view of the case quotedby ]\Iumford. Because of arrested development and non-rotation of the large or smallbowel, various al^normalitios of position may occur. The complicated develop-ment of the peritoneum with its various folds between the visceral and parietal. Fig. —A Loop of Intestine at Twelve Feet. The vessels are smaller. The primary loops arelost in the fat. but secondary and even tertiary loops are visible. The vasa recta are shorter, moreirregular, and branching. The specimen came from the same subject wliich furnished Fig. 261. (FromMonks, in Annals of Surgery, October, 1903. J. B. Lippincott Compan}^ Philadelphia, Publishers.) layers makes possible various anomalies in the formation of mesenteries. Forexample, that portion of the duodenum which is usually retroperitoneal mayhave a mesentery, or the upper part of the jejunum may have none. Ameso-colon may be expected on the left side in thirty-six per cent, on the rightside in twenty-six per cent. A rare but confusing anomaly of the intestine is the extension of the longi-tudinal muscular bands from the large bowel for a longer or a shorter distanceupon the small intestine. Of the various anomalies of the intestine, Meckels diverticulum (Fig. 269)is of the most interest to th
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