| Front | Sympathetic pathway: innervating abdominal organ smooth muscle |
|---|---|
| Back | 1. T5-T12 pre/symp axons enter the thoracic sympathetic trunk and pass through to course within the greater thoracic splanchnic nerves. 2. Greater thoracic splanchnic nerves pierce the diaphragm and enter the abdominal cavity to reach large glanglia on the abdominal aorta (preaortic ganglia). 3. Pre/symp axons synapse with post/symp axons at preaortic ganglia, and can then go to target organs. |
Tags: autonomic, nervous, system
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