![](/drem/stage21/labels2/S35L.gif)
![alar plate of mesencephalon, edge of rhombencoel (fourth ventricle), intermediate zone, marginal zone, roof plate of mesencephalon, ventricular zone](/drem/stage21/Z0/S35N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #4090 | Location: 2-19
Keywords: alar plate of mesencephalon, edge of rhombencoel (fourth ventricle), intermediate zone, marginal zone, roof plate of mesencephalon, ventricular zone
Source: The Virtual Human Embryo.