英语语法分析

E. stigmosa parasitized mainly in the epithelial cells of jejunum, ileum, ceca, and rectum from middles to tops of villi, and resulted in mild histopathological changes.

多斑艾美球虫主要寄生于空肠、回肠、盲肠和直肠绒毛中部到顶部的上皮细胞中，引起轻微病变。