3.子宫腔小5卵管膨大 部仞精子0避上 2.頚管内入 精子)避上 1.運動性D态高多 数D精子)射精
zygote transportation and imbed cleavage zygoteoviduct Uterus 12
12 • zygote transportation and imbed cleavage zygote oviduct Uterus
2d After fertilization 8 cells 。3 d After fertilization:16 cells(morula、 early blastocyst) 4d After fertilization into uterus and develop to late blastocyst 13
13 • 2d After fertilization ：8 cells • 3d After fertilization ：16 cells (morula、 early blastocyst） • 4d After fertilization ：into uterus and develop to late blastocyst
14
3 Waitina for sperm:M2 oocvte
15