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
One man wrote his will on an envelope, another on the door, and a third on an egg.
有一个人把他的遗嘱写在一个信封上，另一个人写在门上，第三个人写在鸡蛋上。
A donor cell is fused to the egg by pulses of electricity, which break down the donor cell's outer membrane and allow the egg to envelope its new nucleus.
通过电流脉冲击破施主细胞的外层膜将其熔入卵内，使卵把这一新的细胞核裹住。
应用推荐