Autonomic Nervous System I and II. Anatomy of Autonomic Motor Pathways. Preganglionic neuron Postganglionic neuron Two divisions: Sympathetic Parasympathetic. Comparison of Somatic and Autonomic Nervous System . Comparison of Somatic and Autonomic Nervous Systems.
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Sympathetic trunk (vertebral chain) ganglia.
Prevertebral (collateral) ganglia: celiac, superior mesenteric, inferior mesenteric, aorticorenal and renal.
superior cervical region supply head and heart. Middle cervical ganglion and the inferior cervical ganglion supply heart.
- spinal nerves
- cephalic periarterial nerves
- sympathetic nerves
- splanchnic nerves
OR Auerbach’s plexus (lying between the L and C muscles
OR Meissner’s plexus (Submucosal)