The dorsoventral polarity of Drosophila egg is established by means of signaling between the germ line-derived oocyte and the surrounding somatic follicle cells.
果蝇胚胎的发育是由四,分别控制尾、前、及背腹的形成。
The dorsoventral polarity of Drosophila egg is established by means of signaling between the germ line-derived oocyte and the surrounding somatic follicle cells.
果蝇胚胎的发育是由四,分别控制尾、前、及背腹的形成。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关。
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.
结论低融合效率的体细胞与卵母细胞电融合时可通过增加PVS中体细胞的数目来提高融合效率。
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,次级卵母细胞又分裂成两个大小不对等的新细胞:一个相对很大的卵子(成熟卵细胞)和一个微小的次级极体。
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