Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.

减数分裂由两次产生单倍体生殖细胞的核分裂组成.

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Objective : To isolate and clone bovine embryonic cells from bovine fetus Primordial germ cells ( PGCs ) .

目的从牛原始生殖细胞中分离 克隆牛 胚胎干细胞.

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The development of the male germ cells in different seminiferous tubules was different.

不同精小管内生殖细胞的发育是不同步的.

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Mammalian primordial germ cells form and migrate to the gonad during embryonic development.

在胚胎发育时期,原始生殖细胞形成并迁移至生殖腺,形成种系囊.

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