Developmental biology > Human embryogenesis (development of embryo) and development of fetus (TE E3.0, E6.0) | |
|---|---|
| First three weeks | |
| Extraembryonic/ uterus | Trophoblast (Cytotrophoblast, Syncytiotrophoblast)
Blastocoele · Yolk sack/exocoelomic cavity · Heuser's membrane · Extraembryonic coelom · Vitelline duct Umbilical cord (Umbilical artery, Umbilical vein, Wharton's jelly) · Allantois Placenta · Decidua (Decidual cells) · Chorionic villi/Intervillous space · Gestational sac (Amnion/Amniotic sac/Amniotic cavity, Chorion) |
| Histogenesis | |
| Organogenesis | |
(Some dates are approximate—see Carnegie stages and a timeline.) | |
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