结果表明海狸鼠卵母细胞与其它啮齿动物的卵母细胞一样，能够在体外培养成熟，完成第一次减数分裂，排出第一极体。
The results indicated that nutria oocytes, like other rodent oocytes, can be matured in vitro, complete first meiotic division and discharge first polar body.
结论：胎鼠听囊细胞在体外自然培养条件下可以分化或者增殖为未成熟毛细胞。
CONCLUSION: in natural culture condition in vitro, otocyst cells of fetal rats can differentiate or proliferate to immature hair cells.
目的：探讨未成熟小鼠生精细胞在体外培养条件下的分化情况。
Objective: to investigated the differentiation of immature mouse spermatogenic cells during in vitro culture.
在牛卵母细胞体外成熟培养过程中，本研究在同一种成熟培养液中，分别添加用0.3％PVP和10％FBS，检验PVP代血清培养是否可行。
During the bovine oocyte maturation, this research examined the possibility of serum-free maturation which 10%FBS was replaced with 0.3%PVP.
在牛卵母细胞体外成熟培养过程中，本研究在同一种成熟培养液中，分别添加用0.3％PVP和10％FBS，检验PVP代血清培养是否可行。
During the bovine oocyte maturation, this research examined the possibility of serum-free maturation which 10%FBS was replaced with 0.3%PVP.
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