![](/drem/stage4/labels2/S23L.gif)
![blastocystic cavity (blastocoele), contact area(s), cytotrophoblast, embryonic disc, gap in contact area, mural trophoblast, syncytiotrophoblast](/drem/stage4/Z0/S23N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #C610 | Location: 03-04-02
Keywords: blastocystic cavity (blastocoele), contact area(s), cytotrophoblast, embryonic disc, gap in contact area, mural trophoblast, syncytiotrophoblast
Source: The Virtual Human Embryo.