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EMBRYONIC DEVELOPMENT & STEM CELL COMPENDIUM
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Welcome to
LifeMap Discovery

Watch the introductory video to learn more about our database of embryonic development for stem cell research and regenerative medicine

All Anatomical Compartments > Compartment Card
Trophoblast >

Trophoblast


Trp.Trp
The trophoblast forms the outer layer of the blastocyst, providing the embryo with nutrients and giving rise to the outer chorionic sac and the fetal component of the placenta. The trophoblast facilitates embryonic implantation via its inner layer of mononuclear cytotrophoblasts and its outer layer of multinuclear cytoplasm, the syncytiotrophoblasts, which form the early connections between the embryo and the maternal endometrium. The trophoblast is evident as early as day 6 in human embryos.
Trophoderm, Trophectoderm, Outer Cell Mass
Blastocyst
Trophoblast
Multiple Ancestors Single Ancestor No Descendants Develops from Part of Parent