![](/drem/stage6/labels2/S23L.gif)
![amnion, amniotic cavity, head mesenchyme, secondary umbilical vesicle cavity](/drem/stage6/Z0/S23N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #7801 | Location: 12-02-01
Keywords: amnion, amniotic cavity, head mesenchyme, secondary umbilical vesicle cavity
Source: The Virtual Human Embryo.
Keywords: amnion, amniotic cavity, head mesenchyme, secondary umbilical vesicle cavity
Source: The Virtual Human Embryo.