The distribution and the growth of Chilomastix me sn ili in mouse express a certain rule: There are many thophozoites in the jejunum and the ileum, but less cyts.

• 迈氏唇鞭毛虫在宿主体内的分布和发育呈现一定规律。在空肠和回肠内滋养体较多,而包囊较少。