PHYSICAClass 12 Zoology simulations · Human Reproduction
From zygote to implantation
Follow the embryo down the fallopian tube as it cleaves into a morula and a blastocyst, then implants in the uterus.
What to notice
The blastocyst’s outer trophoblast attaches to the endometrium; its inner cell mass becomes the embryo.
Key relation
Zygote → cleavage → morula → blastocyst → implantation
Try this
Move to day 5. Which two parts does the blastocyst have?
What you can change
- Days after fertilisation: 0 to 7 days
More in Human Reproduction
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