what is the function of zona pellucida after fertilization
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In humans, five days after the fertilization, the blastocyst performs zona hatching; the zona pellucida degenerates and decomposes, to be replaced by the underlying layer of trophoblastic cells. The zona pellucida is essential for oocyte growth and fertilization.
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The zona pellucida supports communication between oocytes and follicle cells during oogenesis,protects oocytes ,eggs and embryos during development ,and regulates interactions between ovulated eggs free - swimming sperm during and following fertilization
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