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用过氯乙烯灌注解剖剥离的方法，观测了50例小儿尸体横结肠系膜无血管区的构成、大小及与坐高的相关关系。小儿横结肠系膜无血管区呈不规则的四边形，前界多由副中结肠动脉的分支和左结肠动脉的分支吻合成的边缘动脉构成，后界为横结肠系膜根；左结肠动脉主干和副中结肠动脉主干分别构成左右界．前后径及左右径均与坐高呈正相关关系，前后径略大于左右径。
Using perfusion vinyl chloride perfusion dissection methods, observed 50 cases of pediatric transmembrane mesangial non-vascular area of the composition, size and height and the relationship between. Pediatric mesenteric non-vascular area was irregular quadrilateral, the frontier mostly by the branch of the collateral artery and the left collateral arteries formed by the junction of the marginal artery, the posterior sector of the mesocolon; the left colic artery and vice The main artery in the colon constitute the left and right circles. Anteroposterior diameter and left and right diameter and sitting height were positively correlated, anteroposterior diameter slightly larger than the left and right diameter.