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血吸虫环卵沉淀试验是寄生虫学教学中的,一项重要免疫实验。在教学过程中,由于动物死亡,实验课失败的情况时有发生。为节省人力和物力,保证教学、作者采用聚乙烯乙二醇浓缩血清提高血吸虫环卵沉淀反应强度。采用混合固定保存液及凡士林加中性树胶封固的办法制成一批环卵沉淀反应标本。已保存两年,虫卵未变形,内部结构清晰,反应沉淀物如故(见图),获得满意的
Schistosome egg ring precipitation test is a teaching of parasitology, an important immune experiment. In the process of teaching, because of the death of an animal, the failure of the experimental class has occurred from time to time. In order to save manpower and material resources and ensure teaching, the authors used polyethylene glycol-concentrated serum to enhance the ring-ovum reaction response of schistosomiasis. Using a mixture of fixed preservation solution and Vaseline plus neutral gum sealing method to make a number of ring egg precipitation reaction specimens. Has been preserved for two years, the eggs are not deformed, the internal structure is clear, the reaction sediment as before (see Figure), access to satisfactory