AUTONOMIC NERVOUS SYSTEM FUNCTION(S)/CHARACTERISTIC(S) STRUCTURE SYMPATHETIC DIVISION Preganglionic neuron Postganglionic neuron 3 1 Gray horns of the spinal cord Dorsal Roots of the spinal cord Ventral Roots of the spinal cord Dorsal Rami 4 6. 7 Ventral Rami 8 White ramus communicans Gray ramus communicans Sympathetic trunk ganglion (Paravertebral ganglia) Superior cervical ganglion Middle cervical ganglion Inferior cervical ganglion Prevertebral ganglia Celiac ganglion 9. 10 11 12 13 14 14a Superior mesenteric ganglion Inferior mesenteric ganglion 14b 14c PARASYMPATHETIC DIVISION 15 Preganglionic neuron 16 Postganglionic neuron CN III Oculomotor nerve CN VII Facial nerve CN IX Glossopharyngeal nerve CN X Vagus nerve Sacral spinal nerves 2-4 22 17 18 19 20 21 Pelvic Splanchnic nerves Terminal ganglia 23a 23 Ciliary ganglion Pterygopalatine ganglion Submandibular ganglion Otic ganglion 23b 23c 23d

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