Result : in three categories and ten examples of congenital malformation fetus , the morphological and histological structures of colon in syndactyly and sxtrodactyly fetus have no obvious abnormity ; the colon ' s structure shows abnormity in omphalo - thoracopagus twins ; the colon ' s structure was insufficient development in anencephaly fetus 结果：三类10例先天性畸形胎儿中，并缺指畸形胎儿结肠的形态学及组织学结构无明显异常；胸腹联体胎儿结肠结构异常；无脑儿结肠组织结构发育不全。
