![](/drem/stage9/labels2/S64L.gif)
![notochordal plate, primordial left dorsal aorta, primordial right dorsal aorta, rhombomere C (Rh. C), rhombomere D (Rh. D), somite 1 (O-1)](/drem/stage9/Z0/S64N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #3709 | Location: 01-06-04
Keywords: notochordal plate, primordial left dorsal aorta, primordial right dorsal aorta, rhombomere C (Rh. C), rhombomere D (Rh. D), somite 1 (O-1)
Source: The Virtual Human Embryo.