溶组织阿米巴（entamoebahistolytica）可分为滋养体和包囊两期。
B-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic O O O O O O O O O O O O O