裂殖子胚 的英文怎麼說
中文拼音 [lièzhízipēi]
裂殖子胚
英文
cytomere-
When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall, and the nuclei migrate into the tube
生殖細胞核分裂,形成兩個僅由細胞核和細胞質構成的精子,其中一個將與卵受精,另一個則與極核融合形成胚乳核。The primary primordial germ cells is obtain from the human embryos after 4 - 8 weeks of pregnancy. after mechanical desection and enzymic digestion, the cells were cultured on mouse embryonic flbroblast or human embryonic flbroblast feeder layer inactivated by mitomycin. the medium contains several cytokines : lif ( leukemia inhibitory factor ), bfgf and foskolin
從4 ? 8周的流產胎兒的原始生殖嵴部位分離到原始生殖細胞,經過機械和化學方法的解離后培養於事先用絲裂黴素處理過的小鼠胚胎成纖維細胞或人胚胎成纖維細胞飼養層上,培養基中添加了lif , bfgef , foskolin等細胞因子,此後大約每7天左右傳代一次。
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