透明质

The zonula pellucida is a layer surrounding the oocyte that plays a crucial role in fertilization.
透明带是围绕卵细胞的一层结构，在受精过程中起着至关重要的作用。
In mammals, the blastocyst hatches from the zona pellucida before implantation into the uterus.
在哺乳动物中，囊胚在植入子宫之前会从透明带中孵化出来。
During in vitro fertilization, sperm must penetrate the corona radiata and the zona pellucida to fertilize an egg.
在体外受精过程中，精子必须穿透放射冠和透明带以使卵子受精。
The thickness and composition of the zona pellucida vary among different species.
透明带的厚度和组成在不同物种间存在差异。
Researchers often use techniques to thin or remove the zona pellucida for assisted reproductive technologies.
研究者通常会采用技术来减薄或去除透明带以辅助生殖技术实施。
In some experiments, artificial zona pellucida substitutes have been used to study embryo development.
在某些实验中，使用了人造透明带来研究胚胎发育。
The zona pellucida provides a barrier against polyspermy, allowing only one sperm to enter the egg.
透明带提供了一种防止多精入卵的屏障，只允许一个精子进入卵细胞。
Immunological reactions to the zona pellucida proteins can cause infertility in both males and females.
对透明带蛋白的免疫反应可能导致男性和女性不育。
A compromised zona pellucida may lead to failed fertilization or early embryonic developmental issues.
受损的透明带可能导致受精失败或早期胚胎发育问题。
Electron microscopy has been instrumental in revealing the fine structure and function of the zona pellucida.
电子显微镜在揭示透明带的精细结构和功能方面起到了关键作用。