1. Autonomic Nervous System Prof. K. Sivapalan

2. Comparison Somatic NS Voluntary External sensory and motor Motor- 1 neuron Sensory in dorsal horn, motor in ventral horn Autonomic NS Involuntary Internal sensory and motor Motor- 2 neurons Sensory in dorsal part of lateral horn, Motor in ventral part of lateral horn. May 2013Autonomic Nervous System2

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4. Divisions of ANS Sympathetic Thoraco-lumbar outflow - T1 to L2 Short preganglionic Preganglionic ending- acetyl choline Post ganglionic- noradrenalin, others in some areas Fight or flight - catabolic Parasympathetic Cranio-sacral outflow – 3,7,9,10 and S-2,3,4 Long preganglionic Preganglionic ending- acetyl choline Post ganglionic- acetyl choline, others in some areas Anabolic May 2013Autonomic Nervous System4

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6. General Facts May 2013Autonomic Nervous System6

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11. Receptors May 2013Autonomic Nervous System11

12. Receptors for Neurotransmitters May 2013Autonomic Nervous System12

13. Acetyl Choline Receptors May 2013Autonomic Nervous System13

14. Adrenergic Receptors May 2013Autonomic Nervous System14