![](/drem/stage21/labels2/S77L.gif)
![alar plate of myelencephalon, artifact space(s), cerebral aqueduct (mesocoele), cerebral vesicle (hemisphere), choroid plexus, dural band for tentorium cerebelli, median sulcus, posterior cerebral artery, rhombencoel (fourth ventricle), roof plate, roof plate of mesencephalon, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon, trochlear nerve (CN IV)](/drem/stage21/Z0/S77N.jpg)
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Carnegie Embryo #4090 | Location: 4-19
Keywords: alar plate of myelencephalon, artifact space(s), cerebral aqueduct (mesocoele), cerebral vesicle (hemisphere), choroid plexus, dural band for tentorium cerebelli, median sulcus, posterior cerebral artery, rhombencoel (fourth ventricle), roof plate, roof plate of mesencephalon, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon, trochlear nerve (CN IV)
Source: The Virtual Human Embryo.