. Modern surgery, general and operative. Fig. 684.—A loop of intestine, the middle of which is exactly 3 feet from the end of the duo-denum. The gut is of large size. The mesenteric loops are primary, and the vasa recta large,long, and regular in distribution. The translucent spaces (lunettes) between the vessels areextensive. Below, the mesentery is streaked with fat. The veins, which had a distributionsimilar to the arteries, are for simplicity omitted from this and from the subsequent subject from which the specimen was taken was a male of forty years, with rather less thanthe
. Modern surgery, general and operative. Fig. 684.—A loop of intestine, the middle of which is exactly 3 feet from the end of the duo-denum. The gut is of large size. The mesenteric loops are primary, and the vasa recta large,long, and regular in distribution. The translucent spaces (lunettes) between the vessels areextensive. Below, the mesentery is streaked with fat. The veins, which had a distributionsimilar to the arteries, are for simplicity omitted from this and from the subsequent subject from which the specimen was taken was a male of forty years, with rather less thanthe usual amount of fat. The entire length of the intestine was 23 feet (Monks).. Fig. 685.—A loop of intestine at 6 feet. As compared with Fig. 684 the gut is somewhatsmaller. The vascularity of the intestine and mesentery is less. Secondary loops are a promi-nent feature. The vasa recta are smaller. The lunettes are also present, but are not so largeas in Fig. 684. The subject was a male of about thirty-five years, with an average amount offat. The entire length of the intestine was 20 feet (Monks). secondary loops become more numerous, larger, and approach nearer to thebowxl than the primary loops in the upper part, and about the fourth footthese secondary loops first become a prominent feature. As we descend Location of a Loop of Small Intestine io8r primary loops become smaller, secondary loops become more numerous andnearer the bowel, and possibly tertiary loops appear. Opposite the lower por-tion of the ileum the loops are not definite in arrangement, but are simply a
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