| Front | Referred pain |
|---|---|
| Back | Viscerosensory pain sensations that are referred (perceived to be from) to other parts of the body, most often when sensory axons and viscerosensory axons project back to the same spinal cord segment - may involve "short circuiting" Example: angina pectoris (heart pain) is often referred to patients' left upper limb, corresponding to the T1-4/5 dermatome - the same spinal cord segments that receive viscerosensory pain fibers from the heart. |
Tags: autonomic, nervous, system
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