Metacercariae may endure in the encysted state for several months.
活囊蚴可以在包囊状态中生活几个月。
It suggested that the spines be not an index to identify the kinds of metacercariae.
作者认为皮棘在后尾蚴难以作为鉴别虫种的指标。
Objective To understand the ultrastructure of metacercariae and excysted metacercariae of Paragonimus proliferus .
目的了解丰宫并殖吸虫囊蚴、后尾蚴的超微结构。
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