Keywords: C-3 / C-4 intervertebral disc, C-4 spinal ganglion, C-4 spinal nerve, C-4 ventral root, C-5 dorsal root, C-5 spinal ganglion, C-5 spinal nerve, adenohypophysis, anterior cerebral artery, arytenoid swelling, auricle, cerebral vesicle (telencephalon), epiglottis, fusion region between cerebral vesicle and diencephalon, hypoglossal sulcus, hypothalamus, internal carotid artery, mandibular nerve (CN V₃), maxillary nerve (CN V₂), middle cerebral artery, neural arch of C-4 vertebra, oculomotor nerve (CN III), ophthalmic nerve (CN V₁), osteogenic layer, otic ganglion, pharyngeal arch 1 cartilage (Meckel), posterior digastric / stylohyoid muscles blastemata, roof plate of diencephalon, spinal accessory nerve (CN XI), termination of internal carotid artery, tongue root, trochlear nerve (CN IV), ventral thalamus
Source: The Virtual Human Embryo.