雌性蛲虫成虫寄生于回盲部不排卵或少排卵,每因寄主入睡后2—3小时沿着肠管移行至肛周皮肤皱襞上受温度的变化和空气的刺激而产卵。为克服教学工作上成虫卵收集和保存的困难我们据此习性直接检获孕育的雌虫置于体外孵育产卵制成标本,尚为满意。一、虫卵收集 1.夜间10—12时寄主入睡后以湿润的棉签醮取其肛周雌虫,放进盛有生理盐水离心管 Adult female pinworm parasites in the ileocecal anovulation or ovulation less, because the host fell asleep after 2-3 hours along the intestine to the perineal skin folds on the temperature changes and air stimulation and spawning. In order to overcome the difficulty of collection and storage of adult eggs in teaching work, we directly seized the pregnant women according to this habit and placed them in vitro and incubated them to produce eggs, which is still satisfactory. First, the eggs collected 1 night 10-12 when the host fell asleep after the wet cotton swab to take their perianal females, placed in a physiological saline centrifuge tube