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What is the substance that passes through the chorioallantoic membrane?

Dave4Bio

wrote...

Posts: 59

Rep:

12 years ago

What is the substance that passes through the chorioallantoic membrane?

This is in chickens, not in humans, if they have a chorioallantoic membrane.

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fivegrays

wrote...

#1

12 years ago

Chorioallantoic membrane
The chorioallantoic membrane is the extra-embryonic membrane formed by the fusion of the allantois with the serosa or false chorion. In mammals, it forms the fetal portion of the placenta; in avian embryos, it is fused with the shell.

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