| Vc | trigeminal spinal subnucleus caudalis |
| IONI | infraorbital nerve injury |
| IR | immune-reactive |
| C1-C2 | upper cervical spinal cord |
| IL | interleukin |
| Ig | immunoglobulin |
| MHWT | mechanical head withdrawal threshold |
| Iba1 | ionized calcium-binding adapter molecule 1 |
| GFAP | glial fibrillary acidic protein |
| FC | fluorocitrate |
| TNF | tumor necrosis factor |
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