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

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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

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

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

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)

Functional components, and anatomical subdivisions.

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

Organization of Sympathetic Division

Organization of Parasympathetic Division

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

Splanchnic nerves and collateral ganglia

Sympathetic paths

Autonomic

Sympathetic and Parasympathetic

Comparison

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