The larval stage of many tapeworms,consisting of a single invaginated scolex enclosed in a fluid - filled cyst.

 
  • 囊尾幼蟲(chóng)許多絳蟲(chóng)的幼蟲(chóng)時(shí)期,由在充滿(mǎn)液體的囊中單個(gè)的腸套頭結構成
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