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Carnegie Stage Section
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abducens nerve (CN VI), adenohypophysis, alar plate(s), basal plate, basi-occipital (basal plate), basilar artery, edge of choroid plexus, floor plate, hypoglossal nerve (CN XII), interventricular foramen, lateral semicircular duct, lateral ventricle, lateral ventricular eminence (telencephalon), medial ventricular eminence (diencephalon), neural arch of C-1 vertebra (atlas), occipital condyle, optic groove, orbitosphenoid, posterior communicating artery, roof plate, sulcus limitans, third ventricle, vagus nerve (CN X)
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Carnegie Embryo #4090   |   Location: 9-3

Keywords: abducens nerve (CN VI), adenohypophysis, alar plate(s), basal plate, basi-occipital (basal plate), basilar artery, edge of choroid plexus, floor plate, hypoglossal nerve (CN XII), interventricular foramen, lateral semicircular duct, lateral ventricle, lateral ventricular eminence (telencephalon), medial ventricular eminence (diencephalon), neural arch of C-1 vertebra (atlas), occipital condyle, optic groove, orbitosphenoid, posterior communicating artery, roof plate, sulcus limitans, third ventricle, vagus nerve (CN X)

Source: The Virtual Human Embryo.