Purpose: The paper is to discuss the histological structure of anencephalus oesophagus, trying to provide morphological 摘要目的：探讨无脑儿食管的组织结构，为无脑儿的组织器官发育提供形态学方面的资料。
Result: The histological structure of anencephalus differentiates primitively and grows very slowly.结果：无脑儿食管的组织学结构较正常胎儿分化较低，发育迟缓。