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Related articles:
Embryo
Amnion
Yolk sac
Chorion
Mesoderm
Endoderm
Placenta
Umbilical cord
Amniote
Reptile
Endometrium
Key terms: png allantois embryo human form waste diagram developing amnion days old chorion mammals structure nitrogenous umbilical cord tail end of human embryo Search external links cited by footnotes on Wikipedia page Allantois: |
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