![](/drem/stage22/labels2/S609L.gif)
![anterior semicircular duct, artifact space(s), artifact(s), atlanto-occipital joint, choroid plexus, decussation, facial nerve (CN VII), foramen magnum region, glossopharyngeal nerve (CN IX), internal jugular vein, lateral semicircular duct, obliquus capitis superior muscle, posterior arch of C-1 vertebra (atlas), roof plate of diencephalon, spinal accessory nerve (CN XI), subarachnoid space, sulcus dorsalis, transverse process of C-1 vertebra (atlas), utricle, vagus nerve (CN X), vertebral artery](/drem/stage22/Z0/S609N.jpg)
![](/drem/rulerbg.png)
0 μm
Boyd Embryo #H983 | Location: 52-1-1
Keywords: anterior semicircular duct, artifact space(s), artifact(s), atlanto-occipital joint, choroid plexus, decussation, facial nerve (CN VII), foramen magnum region, glossopharyngeal nerve (CN IX), internal jugular vein, lateral semicircular duct, obliquus capitis superior muscle, posterior arch of C-1 vertebra (atlas), roof plate of diencephalon, spinal accessory nerve (CN XI), subarachnoid space, sulcus dorsalis, transverse process of C-1 vertebra (atlas), utricle, vagus nerve (CN X), vertebral artery
Source: The Virtual Human Embryo.