Embryology sec 4 implantation
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What is the most common site for implantation?
Superior posterior aspect of uterine cavity
What happens to zona pollucida before implantation?
dissolved by trophoblast
What structures will a blostocyte develop?
embryoblast and trophoblast
What structures will develop from the outer cell layer?
syncytiotrophoblast and cytotrophoblast
What is the function syncytiotrophoblast?
keeps corpus lutiem alive
How do nutrients transport to embryo before the formation of direct blood?
Embryotroph provides nutrients
What structures will develop from inner cell mass (embryoblast)?
- hypoblast (primary yolk sac)
- amniotic cavity
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