![](/drem/stage5c/labels2/S56L.gif)
![edge of embryonic disc, exocoelomic (Heuser's) membrane, lacunar vascular circle, trophoblast lacunae](/drem/stage5c/Z0/S56N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #7700 | Location: 05-02-01
Keywords: edge of embryonic disc, exocoelomic (Heuser's) membrane, lacunar vascular circle, trophoblast lacunae
Source: The Virtual Human Embryo.
Keywords: edge of embryonic disc, exocoelomic (Heuser's) membrane, lacunar vascular circle, trophoblast lacunae
Source: The Virtual Human Embryo.