![](/drem/stage12/labels2/S234L.gif)
![amnion attachment, communication between peritoneal cavity and extra-embryonic coelom, dermatomyotome 7 (C-3), dorsal aorta, extra-embryonic coelom, left umbilical vein, mesothelium of umbilical vesicle, midgut, notochord, right umbilical vein, septum transversum, umbilical vesicle wall](/drem/stage12/Z0/S234N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #8943 | Location: 05-05-02
Keywords: amnion attachment, communication between peritoneal cavity and extra-embryonic coelom, dermatomyotome 7 (C-3), dorsal aorta, extra-embryonic coelom, left umbilical vein, mesothelium of umbilical vesicle, midgut, notochord, right umbilical vein, septum transversum, umbilical vesicle wall
Source: The Virtual Human Embryo.