卫氏并殖吸虫囊蚴经口感染小鼠后,多数虫体集中于肌肉组织;此外,腹腔、胸腔、肝、肠壁和隔肌中均有虫体滞留。所有虫体长期处于滞育状态,器官未分化,大小与脱囊后尾蚴无明显差异。长期滞育的童虫经口移植到正常宿主犬体后,仍能移行到肺发育成熟。在妊娠雌鼠体内,未见童虫向仔鼠转移的现象。 Paragonimus westermani infection after oral infection of mice, the majority of parasites concentrated in muscle tissue; In addition, the abdominal cavity, chest, liver, intestinal wall and diaphragm were insect body retention. All parasites in diapause long-term status, undifferentiated organs, size and coccyx lacidi no significant difference. Long-term diapause of the worms after oral transplants to normal host dogs, can still migrate to the lungs mature. In pregnant female rats, no signs of squirrels transferred to offspring.