血吸虫病在尾蚴钻入皮肤时即开始发生。最近一些通过扫描电镜获得的图像显示 ,当血吸虫尾蚴钻穿皮肤时 ,大部分尾蚴的尾部仍然和头部相连 ,这和一贯所持的大部分血吸虫尾蚴在开始钻入宿主皮肤时脱去尾部的假设相反。Whitfield等通过对离体的人腹部皮肤、包皮以及分化的角质细胞 Schistosomiasis begins when cercariae bites into the skin. Some recent images obtained by scanning electron microscopy show that most of the cercariae remain attached to the head when the Schistosoma japonicum penetrates the skin and this is consistent with the assumption that most of the Schistosoma japonicum cercariae take off tail at the beginning of drilling into the host’s skin in contrast. Whitfield and others through the skin on the abdomen, foreskin and differentiation of keratinocytes