![dorsal edge of somite 19 (T-7), longitudinal section of roof plate, somite 20 (T-8), somite 21 (T-9), somite 22 (T-10)](/drem/stage12/Z3/S435Z3.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #8943 | Location: 08-06-04
Keywords: dorsal edge of somite 19 (T-7), longitudinal section of roof plate, somite 20 (T-8), somite 21 (T-9), somite 22 (T-10)
Source: The Virtual Human Embryo.
Keywords: dorsal edge of somite 19 (T-7), longitudinal section of roof plate, somite 20 (T-8), somite 21 (T-9), somite 22 (T-10)
Source: The Virtual Human Embryo.