![](/drem/stage12/labels2/S261L.gif)
![amnion attachment, amniotic cavity, communication between peritoneal cavity and extra-embryonic coelom, dermatomyotome 8 (C-4), dorsal aorta, midgut, right umbilical vein, somitocoel](/drem/stage12/Z0/S261N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #8943 | Location: 06-01-09
Keywords: amnion attachment, amniotic cavity, communication between peritoneal cavity and extra-embryonic coelom, dermatomyotome 8 (C-4), dorsal aorta, midgut, right umbilical vein, somitocoel
Source: The Virtual Human Embryo.