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