![chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity, syncytiotrophoblast](/drem/stage5c/Z2/S89Z2.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #7700 | Location: 06-04-08
Keywords: chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity, syncytiotrophoblast
Source: The Virtual Human Embryo.
Keywords: chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity, syncytiotrophoblast
Source: The Virtual Human Embryo.