![](/drem/stage7/labels/S17L.gif)
![amniotic cavity, chorionic cavity, mesoblast, primordial blood vessel(s)](/drem/stage7/Z0/S17N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #7802 | Location: 42-01-02
Keywords: amniotic cavity, chorionic cavity, mesoblast, primordial blood vessel(s)
Source: The Virtual Human Embryo.
Keywords: amniotic cavity, chorionic cavity, mesoblast, primordial blood vessel(s)
Source: The Virtual Human Embryo.