Methods The zona free hamster eggs were pre-incubated with MR which isolated from motile sperm of human by mannose-agarose gel affinity chromatography.

• 方法去透明带金黄地鼠卵经不同浓度的纯化人精子MR作用后,用透射电子显微镜观察卵母细胞超微结构的变化。