AIM: To observe the ultrastructural changes in the body wall and the vitelline cells of Paragonimus westermani in vitro and in vivo before and after triclabendazole treatment.

• 目的： 观察三氯苯达唑在体内外杀灭卫氏并殖吸虫后， 虫体体壁及卵黄细胞超微结构的变化。