![](/drem/stage23/labels2/S19L.gif)
![cerebral aqueduct (mesocoele), diencephalon, lateral ventricle, loose connective tissue, mesencephalon (tectum), mesencephalon (tegmentum), ossifying occipital tectum, osteogenic layer, pericranium, roof of third ventricle, sulcus dorsalis, sulcus medius, surface ectoderm, telencephalon, third ventricle](/drem/stage23/Z0/S19N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #9226 | Location: 19-01-01
Keywords: cerebral aqueduct (mesocoele), diencephalon, lateral ventricle, loose connective tissue, mesencephalon (tectum), mesencephalon (tegmentum), ossifying occipital tectum, osteogenic layer, pericranium, roof of third ventricle, sulcus dorsalis, sulcus medius, surface ectoderm, telencephalon, third ventricle
Source: The Virtual Human Embryo.