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Unformatted text preview: Autonomic Nervous System: Origin Ganglia Fiber Length Neurotransmitters Parasympathetic Craniosacral outflow close to organ(s) long preganglionic ACh (acetylcholine) Cranial nerves III, VII, IX, X served short postganglionic released by pre- & Sacral spinal nerves S 2-S 4 postganglionic fibers Sympathetic Thoracolumbar outflow close to CNS (spinal short preganglionic preganglionic fibers -Thoracic spinal nerves T 1-T 12 cord) paravertebral long postganglionic ACh; postganglionic Lumbar spinal nerves L 1-L 2 & prevertebral ganglia Page9...
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- Fall '10