| Front | Sympathetic pathway: innervating upper limb, neck, head, eye |
|---|---|
| Back | 1. T1-T4 pre/symp axons enter thoracic sympathetic trunk and ascend to the cervical sympathetic trunk, where they synapse with post/symp neurons. 2. Post/symp axons exit cervical ganglia through grey rami and ventral or dorsal rami of cervical spinal nerves. May continue superiorly to innervate structures of the head. |
Tags: autonomic, nervous, system
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