Page 7 - GASTRULASYON
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Extraembryonic
                                     mesoderm
                                (Visceral layer)


                                                                                          (Parietal layer)



                                                                      15 Days
                                                                       15 days
                                                                   2nd Week = Week of Two’s



                                   Cytotrophoblast: Syncytiotrophoblast &
                                 Cytotrophoblast



                                   Extraembryonic Mesoderm: Visceral (splanchnic) &
                                 Parietal (somatic) Layers


                                   Embryonic Disc: Epiblast & Hypoblast

          3/9/2023                                                Gastrulasyon                                                         7

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