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Autonomic Nervous system Efferent system divided into Somatic and Autonomic divisions. Autonomic into sympathetic and parasympathetic division Functions:

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Presentation on theme: "Autonomic Nervous system Efferent system divided into Somatic and Autonomic divisions. Autonomic into sympathetic and parasympathetic division Functions:"— Presentation transcript:

1 Autonomic Nervous system Efferent system divided into Somatic and Autonomic divisions. Autonomic into sympathetic and parasympathetic division Functions: control of glands and smooth muscles - involuntary

2 ANS Compare ANS with Somatic Compare Parasympathetic and Sympathetic Note: neurotransmitters ganglia and locations of the ganglia fibers and their length location from where communication with body – regions emerge from effects

3 Peripheral Nervous System Somatic N.S.Autonomic N.S. Parasympathetic Division Sympathetic Division Skeletal Muscle

4 Somatic Nervous System (SNS) Effector Tissue is Skeletal Muscle Control is Voluntary (except reflexes) Effector Tissue is Cardiac & Smooth Muscle and Glands Control is Involuntary (except biofeedback) Craniosacral outflow, “rest/digest” Thoracolumbar outflow, “fight/flight” Parasympathetic: Sympathetic: Autonomic Nervous System (ANS)

5 Functional components, and anatomical subdivisions.

6 Somatic Nervous System (SNS) skeletal muscle Autonomic Nervous System (ANS) Two motor neurons to many effector tissues: cardiac smooth glands One motor neurons to a single effector tissue: Central Nervous System

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8 Organization of Sympathetic Division

9 Organization of Parasympathetic Division

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11 Preganglionic fibers leave the spinal cord in the ventral roots of the spinal nerves.

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13 Splanchnic nerves and collateral ganglia

14 Sympathetic paths

15 Autonomic

16 Sympathetic and Parasympathetic

17 Comparison

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