Osmoregulation in freshwater forms is usually by means of a contractile vacuole. 谈水种类的渗透调节是用伸缩泡来进行的。
This apparatus, which spans the membrane of the entry vacuole, serves as a conduit between the bacteria and the cytoplasm of the host cell. 该分泌器横亘囊泡膜层，可做为披衣菌与宿主细胞细胞质之间的通道。
