![](/drem/stage5c/labels2/S93L.gif)
![chorionic cavity, cytotrophoblast, lacunar vascular circle, primary umbilical vesicle cavity, syncytiotrophoblast](/drem/stage5c/Z0/S93N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #7700 | Location: 06-04-04
Keywords: chorionic cavity, cytotrophoblast, lacunar vascular circle, primary umbilical vesicle cavity, syncytiotrophoblast
Source: The Virtual Human Embryo.
Keywords: chorionic cavity, cytotrophoblast, lacunar vascular circle, primary umbilical vesicle cavity, syncytiotrophoblast
Source: The Virtual Human Embryo.