The vitelline envelope was dissipated very quickly when eggs were spawned in Ca2+-free ASW and this breakdown was not triggered by the proteases.

　
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  • 從成熟卵巢中取出卵，于正常海水中培養，有的卵黃外膜不會(huì )崩解，膠體亦不會(huì )均質(zhì)化，但是仍可釋出極體，所以減數分裂的恢復進(jìn)行與卵黃外膜的崩解及膠質(zhì)層的形成機制無(wú)關(guān)。
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