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。

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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。

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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。

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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。

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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。

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6. 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。

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