Osmoregulation in freshwater forms is usually by means of a contractile vacuole. 談水種類的滲透調節是用伸縮泡來進行的。
This apparatus, which spans the membrane of the entry vacuole, serves as a conduit between the bacteria and the cytoplasm of the host cell. 該分泌器橫亘囊泡膜層，可做為披衣菌與宿主細胞細胞質之間的通道。
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