![head mesenchyme, rhombencoel (fourth ventricle), roof plate of rhombencephalon, surface ectoderm](/drem/stage14/Z1/S21Z1.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #6502 | Location: 2-04-01
Keywords: head mesenchyme, rhombencoel (fourth ventricle), roof plate of rhombencephalon, surface ectoderm
Source: The Virtual Human Embryo.
Keywords: head mesenchyme, rhombencoel (fourth ventricle), roof plate of rhombencephalon, surface ectoderm
Source: The Virtual Human Embryo.