![](/drem/stage5c/labels2/S97L.gif)
![chorionic cavity, definitive exocoelomic (Heuser's) membrane, lacunar vascular circle, uterine cavity](/drem/stage5c/Z0/S97N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #7700 | Location: 06-03-08
Keywords: chorionic cavity, definitive exocoelomic (Heuser's) membrane, lacunar vascular circle, uterine cavity
Source: The Virtual Human Embryo.
Keywords: chorionic cavity, definitive exocoelomic (Heuser's) membrane, lacunar vascular circle, uterine cavity
Source: The Virtual Human Embryo.