question archive The blastocyst divides into two groups of cells, the trophoblast and embryoblast: a
The blastocyst divides into two groups of cells, the trophoblast and embryoblast: a
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The blastocyst divides into two groups of cells, the trophoblast and embryoblast:
a. What do each of these develop into?
b. The trophoblast divides further into two different layers, what are their functions?
i. Cytotrophoblast
ii. Syncytiotrophoblast
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- a. trophoblast will develop into a placenta, embyoblast will develop into two distinct epithelial layers just before implantation happens
b. Cytotrophoblast will penetrate maternal spiral arteries and route blood flow through the placenta for the embryo.
Syncytiotrophoblast will invades the uterus wall to initiate nutrient circulation between the embryo and the mother.
