Keywords: C-4 spinal nerve, C-5 dorsal root, C-5 spinal ganglion, caudal edge of adenohypophysis, central canal, cerebral vesicle (telencephalon), cervical plexus, dorsal thalamus, edge of cerebral vesicle(s), external acoustic meatus, external carotid artery, fusion region between cerebral vesicle and diencephalon, hypothalamic sulcus, hypothalamus, internal carotid artery, laryngeal inlet, laryngeal pharynx, lateral rectus muscle, lateral ventricle, marginal ridge, maxillary nerve (CN V₂), middle cerebral artery, middle pharyngeal constrictor muscle, oculomotor nerve (CN III), ophthalmic nerve (CN V₁), orbitosphenoid, pharyngeal arch 2 cartilage, semispinalis capitis muscle, semispinalis cervicis muscle, splenius muscle, sternocleidomastoid muscle, trapezius muscle, ventral thalamus
Source: The Virtual Human Embryo.