![artifact separation(s), diencephalon, edge of third ventricle, oculomotor nerve (CN III), roof plate, sulcus limitans, third ventricle, trochlear nerve (CN IV)](/drem/stage18/Z3/S166Z3.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #4430 | Location: 6-4
Keywords: artifact separation(s), diencephalon, edge of third ventricle, oculomotor nerve (CN III), roof plate, sulcus limitans, third ventricle, trochlear nerve (CN IV)
Source: The Virtual Human Embryo.