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Carnegie Stage Section
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cerebral aqueduct (mesocoele), cerebral peduncle, diverticulum of rhombencoel (fourth ventricle), interpeduncular fossa, mesencephalon, metencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof plate, subarachnoid space, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon, tegmentum of metencephalon, trochlear nerve (CN IV)
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Carnegie Embryo #4090   |   Location: 4-1

Keywords: cerebral aqueduct (mesocoele), cerebral peduncle, diverticulum of rhombencoel (fourth ventricle), interpeduncular fossa, mesencephalon, metencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof plate, subarachnoid space, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon, tegmentum of metencephalon, trochlear nerve (CN IV)

Source: The Virtual Human Embryo.