![](/drem/stage4/labels2/S28L.gif)
![blastocystic cavity (blastocoele), contact area(s), embryonic disc, mural trophoblast, primordium of amniotic cavity](/drem/stage4/Z0/S28N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #C610 | Location: 03-04-07
Keywords: blastocystic cavity (blastocoele), contact area(s), embryonic disc, mural trophoblast, primordium of amniotic cavity
Source: The Virtual Human Embryo.
Keywords: blastocystic cavity (blastocoele), contact area(s), embryonic disc, mural trophoblast, primordium of amniotic cavity
Source: The Virtual Human Embryo.