![](/drem/stage19/labels2/S114L.gif)
![alar plate(s), basal plate, basal plate of myelencephalon, endolymphatic duct, mesencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof of rhombencoel (fourth ventricle), roof plate, roof plate of myelencephalon, subarachnoid space, sulcus limitans, trochlear nerve (CN IV)](/drem/stage19/Z0/S114N.jpg)
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Carnegie Embryo #9325 | Location: 4-2-3
Keywords: alar plate(s), basal plate, basal plate of myelencephalon, endolymphatic duct, mesencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof of rhombencoel (fourth ventricle), roof plate, roof plate of myelencephalon, subarachnoid space, sulcus limitans, trochlear nerve (CN IV)
Source: The Virtual Human Embryo.