![](/drem/stage22/labels/S73L.gif)
![alar plate of mesencephalon, artifact fracture(s), cerebral aqueduct (mesocoele), head mesenchyme, roof plate](/drem/stage22/Z0/S73N.jpg)
![](/drem/rulerbg.png)
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Boyd Embryo #H983 | Location: 7-1-1
Keywords: alar plate of mesencephalon, artifact fracture(s), cerebral aqueduct (mesocoele), head mesenchyme, roof plate
Source: The Virtual Human Embryo.
Keywords: alar plate of mesencephalon, artifact fracture(s), cerebral aqueduct (mesocoele), head mesenchyme, roof plate
Source: The Virtual Human Embryo.