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Carnegie Stage Section
C-1 spinal ganglion, C-1 ventral root, accessory nerve (CN XI), adenohypophysis, basi-occipital (basal plate), central canal, choroid fissure, cochlear duct, geniculate ganglion (CN VII), hypoglossal canal, interventricular foramen, lateral ventricle, motor root of trigeminal nerve (CN V), optic groove, primary head vein, primordial choroid plexus, spinal accessory nerve (CN XI), spinal cord, third ventricle, vagus nerve (CN X), vertebral artery
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Carnegie Embryo #4430   |   Location: 11-12

Keywords: C-1 spinal ganglion, C-1 ventral root, accessory nerve (CN XI), adenohypophysis, basi-occipital (basal plate), central canal, choroid fissure, cochlear duct, geniculate ganglion (CN VII), hypoglossal canal, interventricular foramen, lateral ventricle, motor root of trigeminal nerve (CN V), optic groove, primary head vein, primordial choroid plexus, spinal accessory nerve (CN XI), spinal cord, third ventricle, vagus nerve (CN X), vertebral artery

Source: The Virtual Human Embryo.