![](/drem/stage6/labels2/S34L.gif)
![caudal part of secondary umbilical vesicle cavity, cephalic part of primordial gastrulation (primitive) groove, embryonic endoderm, epiblast, extra-embryonic endoderm, intervillus space(s), presumptive amniotic duct, primary villus, site of epitheliomesenchymal transformation, stem villus](/drem/stage6/Z0/S34N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #7801 | Location: 12-03-06
Keywords: caudal part of secondary umbilical vesicle cavity, cephalic part of primordial gastrulation (primitive) groove, embryonic endoderm, epiblast, extra-embryonic endoderm, intervillus space(s), presumptive amniotic duct, primary villus, site of epitheliomesenchymal transformation, stem villus
Source: The Virtual Human Embryo.