![](/drem/stage18/labels/S5L.gif)
![blood vessel(s), edge of mesencephalon, subarachnoid space, surface ectoderm, vascular plexus](/drem/stage18/Z0/S5N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #4430 | Location: 1-5
Keywords: blood vessel(s), edge of mesencephalon, subarachnoid space, surface ectoderm, vascular plexus
Source: The Virtual Human Embryo.
Keywords: blood vessel(s), edge of mesencephalon, subarachnoid space, surface ectoderm, vascular plexus
Source: The Virtual Human Embryo.