The trophoblast is the outer layer of the mammalian blastocyst, forming the fetal part of the placenta and supporting embryonic development, but not becoming part of the embryo itself.
The trophoblast is the outer layer of the mammalian blastocyst. It is crucial for forming the fetal part of the placenta and supporting the embryo.
| Front | trophoblast |
|---|---|
| Back | The outer epithelium of a mammalian blastocyst. It forms the fetal part of the placenta, supporting embryonic development but not forming part of the embryo proper. |
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