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nero sys - are in the brain stem with nuclei of cranial...

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1 THE AUTONOMIC NERVOUS SYSTEM Sympathetic (Thoracolumbar) 1. Autonomic Parasympathetic (Craniosacral)
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2 2. Sympathetic preganglionic neurons , lateral horn between T1 and L2 postganlionic neurons, in the ganglia of the sympathetic chain and the prevertebral plexus. white and grey rami communicantes splanchnic nerves Sympathetic and Parasympathetic • Fight or flight • Preganglionic neurons are in the spinal cord between T1 and L2 • The thoracolumbar outflow • Postganglionic neurons are in the sympathetic chain or prevertebral ganglia of the preaortic plexus • Rest and restoration • Preganglionic neurons
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Unformatted text preview: are in the brain stem with nuclei of cranial nerves III, VII, IX and X, or, in the grey matter of sacral cord segments 2,3 and 4. • The craniosacral outflow • Postganglionic neurons are in the walls or very close to the organs they innervate Sympathetic Parasympathetic The Sympathetic Chain 3 4 5 3. Parasympathetic • preganglionic neurons, in the nuclei of cranial nerves III, VII, IX and X and in the lateral horn of grey matter in sacral spinal cord segments S2, S3, and S4. • postganglionic neurons, right in or very close to the target organs....
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