Unformatted text preview: ventral roots of spinal nerves. They enter ganglion chain called sympathetic truck ganglia. They sometimes terminate others reenter to spinal nerve and travel with spinal nerve to reach the visceral effectors. 6. Parasympathetic division: Preganglionic neurons originate l brain stem and sacral region of spinal cord (S2-4). Axons exit as part cranial nerve or ventral root of spinal cord end at terminal ganglia located near or within visceral effectors. Postganglionic neurons start terminal ganglia extend short distance to the visceral effectors....
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- Spring '11
- Human Anatomy, Spinal nerve, Spinal cord end, visceral effectors