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随着老龄化社会的到来,肠道缺血性病变日渐增多。病变可发生在小肠,亦可出现在大肠,医学上将其统称为“缺血性肠病”。 为了使中老年朋友能更好地了解此病,有必要先介绍一下小肠、大肠的供血常识(见图)。肠腔主动脉(⑩)是供应腹腔血液的主渠道,直径比较粗,在腹腔里分成两支向小肠和结肠供血。第一分支称为“肠系膜上动脉”(①) ,它向全部小肠和右半结肠(③④⑤)
With the advent of an aging society, intestinal ischemic lesions increased. Lesions can occur in the small intestine, but also in the large intestine, medically referred to collectively as “ischemic bowel disease.” In order for the elderly friends to better understand the disease, it is necessary to introduce the common sense of the small intestine, large intestine (see Figure). The aorta of the intestine (⑩) is the main channel supplying the blood of the abdomen and is relatively thick in diameter. It is divided into two parts in the abdominal cavity to supply blood to the small intestine and the colon. The first branch is called “superior mesenteric artery” (①), it is to the entire small intestine and right colon (③ ④ ⑤)