Abstract： Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.
摘 要： 目的:建立显微受精的方法，并探讨小鼠附睾精子在显微注射进入
母
后的受精能力。
Abstract： Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.
摘 要： 目的:建立显微受精的方法，并探讨小鼠附睾精子在显微注射进入母后的受精能力。
Conclusion The electrofusion efficiency may he improved by inserting more somatic cells into PVS when the somatic cells have a low electrofusion efficiency with oocytes.
结论
效率的体与母电时可通过增加PVS中体的数目来提高效率。
Then their synthese speed slows down.But the synthese of RNA and DNA inthe follicular cell is continuous during vitellogenesis, which may relate toformation of livetin.
而滤泡上皮在母
形成期，它的RNA和DNA的成均较快，因此认为滤泡上皮成分泌了一些物质参与蛋白的形成。
The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.
此时，次级母又分裂成两个大小不对等的新：一个相对很大的子（成熟）和一个微小的次级极体。
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