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目的：为小肠疾病的临床介入诊断及治疗提供血管构筑解剖基础。方法：对８例正常成人小肠标本采用ＡＢＳ血管铸型、硫酸钡墨汁混悬液血管造影及图像分析进行血管研究。结果：三种方法结论一致，空肠段直动脉通常分三支（两长支、一短支），回肠段直动脉通常分二支（长、短各一支），空—回肠段呈移行改变，直动脉在进入肠壁之前可见吻合现象。直动脉的长度、内径及肠壁血管密度（支／ｃｍ２）均存在解剖部位的差异性（Ｐ＜０．０５）。结论：小肠血管构筑有其规律性，血管造影对小肠疾病的诊断有一定价值
Objective: To provide anatomical basis for the diagnosis and treatment of small intestine disease in clinical intervention. Methods: 8 cases of normal adult small intestine specimens using ABS vascular cast, barium sulfate ink suspension angiography and image analysis of vascular research. Results: The results of the three methods were consistent. There were three branches (two long branches and one short branch) of the common jejunum. The ileum straight branches were usually divided into two branches Direct anastomosis before entering the intestinal wall can be seen consistent with the phenomenon. The length, diameter and density of the vessel wall (branch / cm2) of the straight artery were different in anatomical sites (P <0.05). Conclusion: The structure of intestinal vessels has its regularity, angiography has some value in the diagnosis of small intestinal diseases