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C-1 spinal ganglion, L-1 spinal ganglion, S-1 spinal ganglion, T-1 spinal ganglion, abducens nerve (CN VI), anterior vagal trunk, aorta, celiac ganglion, chorda tympani nerve, coccygeal ganglion, cochlear ganglion (CN VIII), cranial accessory nerve (CN XI), esophageal plexus, geniculate ganglion (CN VII), greater petrosal nerve, hypoglossal nerve (CN XII), inferior cervical sympathetic ganglion, inferior ganglion of glossopharyngeal nerve (CN IX), inferior ganglion of vagus nerve (CN X), inferior mesenteric artery, mandibular nerve (CN V₃), maxillary nerve (CN V₂), middle cervical sympathetic ganglion, oculomotor nerve (CN III), olfactory nerve (CN I), ophthalmic nerve (CN V₁), optic stalk (CN II), outline of suprarenal gland, ramus communicans, recurrent laryngeal nerve, spinal accessory nerve (CN XI), splanchnic nerves, superior cervical sympathetic ganglion, superior ganglion of glossopharyngeal nerve (CN IX), superior ganglion of vagus nerve (CN X), superior mesenteric ganglion, sympathetic trunk, trigeminal ganglion (CN V), trochlear nerve (CN IV), vestibulocochlear ganglion (CN VIII), visceral branches (CN X)

Peripheral nervous system of the 18-mm embryo. In most instances, only the most proximal portion of the nerve is shown.


Keywords: C-1 spinal ganglion, L-1 spinal ganglion, S-1 spinal ganglion, T-1 spinal ganglion, abducens nerve (CN VI), anterior vagal trunk, aorta, celiac ganglion, chorda tympani nerve, coccygeal ganglion, cochlear ganglion (CN VIII), cranial accessory nerve (CN XI), esophageal plexus, geniculate ganglion (CN VII), greater petrosal nerve, hypoglossal nerve (CN XII), inferior cervical sympathetic ganglion, inferior ganglion of glossopharyngeal nerve (CN IX), inferior ganglion of vagus nerve (CN X), inferior mesenteric artery, mandibular nerve (CN V₃), maxillary nerve (CN V₂), middle cervical sympathetic ganglion, oculomotor nerve (CN III), olfactory nerve (CN I), ophthalmic nerve (CN V₁), optic stalk (CN II), outline of suprarenal gland, ramus communicans, recurrent laryngeal nerve, spinal accessory nerve (CN XI), splanchnic nerves, superior cervical sympathetic ganglion, superior ganglion of glossopharyngeal nerve (CN IX), superior ganglion of vagus nerve (CN X), superior mesenteric ganglion, sympathetic trunk, trigeminal ganglion (CN V), trochlear nerve (CN IV), vestibulocochlear ganglion (CN VIII), visceral branches (CN X)

Source: Atlas of Human Embryos.