![](/drem/stage22/labels2/S518L.gif)
![anterior semicircular duct, artifact(s), caudal edge of lateral recess of rhombencoel (fourth ventricle), decussation of medial lemniscus, exoccipital, facial nerve tract, fasciculus cuneatus, fasciculus gracilis, hypothalamic sulcus, medial accessory olivary nucleus, medial longitudinal fasciculus, medulla oblongata, osteogenic layer, posterior semicircular duct, subarachnoid space](/drem/stage22/Z0/S518N.jpg)
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Boyd Embryo #H983 | Location: 44-1-2
Keywords: anterior semicircular duct, artifact(s), caudal edge of lateral recess of rhombencoel (fourth ventricle), decussation of medial lemniscus, exoccipital, facial nerve tract, fasciculus cuneatus, fasciculus gracilis, hypothalamic sulcus, medial accessory olivary nucleus, medial longitudinal fasciculus, medulla oblongata, osteogenic layer, posterior semicircular duct, subarachnoid space
Source: The Virtual Human Embryo.