Secretory granules were spherical and 0.5—1.0μm in diameter. The hatching enzyme was dissolved in the perivitelline fluid, where it gained access to the egg envelope and digested the inner layer of the egg envelope.
孵化酶进入卵周液,对卵膜内层进行消化和降解,使胚胎破膜而出。
参考来源 - 河川沙塘鳢（Odontobutis potamophila）早期发育过程中的器官发生、营养代谢及其能量收支的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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