Medical knowledge | Embryology » Dr. Réthelyi Miklós - Twins

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Year, pagecount:2005, 7 page(s)

Language:English

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Uploaded:August 07, 2009

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TWINS Dr. Miklós Réthelyi Placenta Trophoblast Chorion Zygote Morula Blastula Embryoblast (inner cell mass) Amnion Embryonic disc Embryo Morula Zygote Placenta Embryonic Embryo disc Chorion Amnion Inner cell mass Single pregnancy 1 1 1 1 1 1 1 1 Dizygotic twins, double placenta 2 2 2 2 2 2 2 2 Morula Zygote Placenta Embryonic Embryo disc Chorion Amnion Inner cell mass Dizygotic twins, single placenta 2 2 2 1 2 2 2 2 Morula Zygote Placenta Embryonic Embryo disc Chorion Amnion Inner cell mass 2 2 2 2 1 2 2 2 2 1 Monozygotic twins, separation of the blastomer 2 2 fused chorion 2 2 Morula Zygote 1 1 Placenta Embryonic Embryo disc Chorion Amnion Inner cell mass 1 1 2 2 Monozygotic twins, division of the inner cell mass 2 2 Morula Zygote Placenta Embryonic Embryo disc Chorion Amnion Inner cell mass 1 2 1 1 1 1 1 Monozygotic twins, division of the embryonic disc 2