肠系膜是双层腹膜融合而成的皱襞,将肠管悬吊在腹后壁,起支持和固定作用,同时使肠管保持一定的活动性,为腹腔内的重要结构。它一方面为腹部病变扩散起到桥梁作用,另一方面对腹腔的积液、脓肿起分隔作用[1]。肠系膜分小肠系膜和大肠系膜,它除含脂肪组织外,还含血管、神经、淋巴 Mesentery is a double-layer peritoneal fusion of folds, the intestinal hanging in the ventral posterior wall, from the support and fixation, while keeping the intestine a certain activity, as an important intra-abdominal structure. It acts as a bridge for the spread of abdominal lesions on the one hand, on the other hand, the peritoneal effusion, abscess play a separate role [1]. Mesentery mesenteric and mesocolon, it contains in addition to adipose tissue, but also with blood vessels, nerves, lymph