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searches - My saved topics - My newsletter Trophoblasts (from
Greek threphein: to feed) are cells forming the outer layer of a
blastocyst, which provide nutrients to the embryo and develop
into a large part of the placenta. They are formed during the
first stage of pregnancy and are the first cells to
differentiate from the fertilized egg. Trophoblasts are
invasive, eroding, and metastasizing cells of the placenta. The
trophoblast proliferates and differentiates into 2 cell layers:
|This article is licensed under the GNU Free Documentation
License. It uses material from the Wikipedia article
"Trophoblast". A list of authors is available in Wikipedia.|