![](/drem/stage20/labels2/S63L.gif)
![artifact separation(s), cerebral aqueduct (mesocoele), mesencephalon, oculomotor nucleus, osteogenic layer, posterior cerebral artery, roof of rhombencoel (fourth ventricle), root of oculomotor nerve (CN III), subarachnoid space, subcutaneous tissue, surface ectoderm, trochlear nerve (CN IV)](/drem/stage20/Z0/S63N.jpg)
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Carnegie Embryo #462 | Location: 1-02-03
Keywords: artifact separation(s), cerebral aqueduct (mesocoele), mesencephalon, oculomotor nucleus, osteogenic layer, posterior cerebral artery, roof of rhombencoel (fourth ventricle), root of oculomotor nerve (CN III), subarachnoid space, subcutaneous tissue, surface ectoderm, trochlear nerve (CN IV)
Source: The Virtual Human Embryo.