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parasympathetic originate in the brain and sacral spinal cord
sympathetic originates in thoracic and lumbar regions of spinal cord
relative lengths of fibers
parasympathetic has long preganglionic and short postganglionic fibers
sympathetic has short preganglionic and long postganglionic fibers
location of ganglia
parasympathetic ganglia are located in or near the visceral effector organ
sympathetic ganglia lie close to spinal cord
parasympathetic
cell bodies are located in the brain stem
preganglionic fibers run in Oculomotor nerve, facial nerves, glossopharyngeal, and vagus nerve
sympathetic
is more complex and innervates more organs than parasympathetic
also called the thoracolumbar division