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The Nervous System. Overview of the Nervous System. The Nervous System. Central Nervous System. Brain Spinal Cord. Somatic Nervous System. innervation. Sympathetic Nervous System. Preganglionic neurons: from CNS to ganglia short fibers acetylcholine (ACh) cholinergic
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Central Nervous System • Brain • Spinal Cord
Somatic Nervous System innervation
Sympathetic Nervous System • Preganglionic neurons: • from CNS to ganglia • short fibers • acetylcholine (ACh) • cholinergic • Postganglionic neurons: • from ganglia to effector • long fibers • norepinephrine (NE) • noradrenergic • 1:20
Parasympathetic Nervous System • Preganglionic neurons: • from CNS to ganglia • long fibers • Acetylcholine (ACh) • cholinergic • Postganglionic neurons: • from ganglia to effector • short fibers • Acetylcholine (ACh) • cholinergic • 1:4