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Related articles:
Mesoderm
Trophoblast
Embryo
Amnion
Placenta
Ectoderm
Multiple birth
Fetus
Amniotic sac
Key terms: chorion villi png layer twins size embryo named blood formed decidua contact placenta mesoderm trophoblast umbilical part of the chorion chorionic villi Search external links cited by footnotes on Wikipedia page Chorion: |
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