3.子宮腔力卵管膨大 部叨精子⑦遡上 2.頸管内入O 精子O遡上 1.運動性扬刭多 数O精子仂射精
zygote transportation and imbed cleavage zygote c oviduct Uterus
12 • zygote transportation and imbed cleavage zygote oviduct Uterus
2d after fertilization 8 cells 3d After fertilization 16 cells(morula early blastocyst) 4d after fertilization into uterus and develop to late blastocyst
13 • 2d After fertilization ：8 cells • 3d After fertilization ：16 cells (morula、 early blastocyst） • 4d After fertilization ：into uterus and develop to late blastocyst
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3 Waiti r sperm: M2 oocvte
15