![](/drem/stage11/labels2/S325L.gif)
![allantois, amnion attachment, amniotic cavity, connecting stalk mesenchyme, hindgut, intermediate mesenchyme, left umbilical artery, left umbilical vein, notochord, right umbilical artery, right umbilical vein, somatopleuric mesoderm, somite 12 (C-8), somitocoel 12, splanchnopleuric mesoderm, tail fold region](/drem/stage11/Z0/S325N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #6344 | Location: 05-06-01
Keywords: allantois, amnion attachment, amniotic cavity, connecting stalk mesenchyme, hindgut, intermediate mesenchyme, left umbilical artery, left umbilical vein, notochord, right umbilical artery, right umbilical vein, somatopleuric mesoderm, somite 12 (C-8), somitocoel 12, splanchnopleuric mesoderm, tail fold region
Source: The Virtual Human Embryo.