英语语法分析

The ampulla comprises about half of the oviductal length.

壶腹约占输卵管全长的一半。

Huayu Tongluo Decoction "was used to treat 239 cases of oviductal obstruction."

运用化瘀通络汤治疗输卵管阻塞239例。

Conclusion: the process of the development in human fetal oviductal epithelial cells was obviously classified into stages.

结论：胎儿输卵管上皮细胞发育过程中具有明显的阶段性。