![](/drem/stage5c/labels2/S88L.gif)
![chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity](/drem/stage5c/Z0/S88N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #7700 | Location: 06-05-01
Keywords: chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity
Source: The Virtual Human Embryo.
Keywords: chorionic cavity, exocoelomic (Heuser's) membrane, primary umbilical vesicle cavity
Source: The Virtual Human Embryo.