1·They are trying to find their way through the zona pellucida, the membrane that surrounds and protects the egg.
它们试图找到通过保护卵细胞的透明带的路。
2·Objective To explore the relationship between anti zona pellucida antibody and the levels of hormone.
目的 探讨血清抗透明带抗体 （AzpAb）与激素水平之间的关系。
3·The paper reviews the constitution, molecular structure, biological function and application of zona pellucida in male fertilization.
本文就透明带的组成、分子结构、生物学功能及其在男性生育领域的应用进行综述。
4·Objective: To study the reliability of the new enucleation method for mouse oocyte: zona pellucida dilating (ZPD) assisted enucleation method.
目的探讨新的小鼠卵母细胞透明带膨胀（ZPD）辅助去核法的可靠性。
5·Objective To construct the recombinant plasmid that highly expressed human zona pellucida 3. Methods The techniques of PCR amplification, T-A vector ligation, and sub-clone were used.
目的：构建高效表达人透明带蛋白3的真核重组表达载体。 方法：利用PCR、T- A载体克隆和亚克隆等技术。