| Front | Sympathetic pre-ganglionic neurons |
|---|---|
| Back | (Symp/pre) Structure: the first neuron in the two-neuron sympathetic autonomic system, has cell bodies located in the gray lateral horn of T1-L2 spinal cord segments. Pathway: 1. Laternal horn of spinal cord (T1-L2) 2. Ventral root 3. Spinal nerve 4. White communicating ramus 5. Sympathetic trunk and ganglia 6. Synapse on sympathetic postganglionic cell bodies (except for symp/pre that continue to abdominal prevertebral ganglia through the greater splanchnic nerve) Function: carry "fight or flight" signals from spinal cord to symp/post neurons, which will affect change on target structure. |
Tags: pns
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