trophoblast
Examples of trophoblast in the following topics:
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Cleavage, the Blastula Stage, and Gastrulation
- Here the cells in the blastula arrange themselves in two layers: the inner cell mass and an outer layer called the trophoblast .
- The trophoblast will contribute to the placenta and nourish the embryo.
- The rearrangement of the cells in the mammalian blastula to two layers, the inner cell mass and the trophoblast, results in the formation of the blastocyst.