| AA | Acetic acid |
| CNS | Central nervous system |
| CFA | Complete Freund’s adjuvant |
| EA | Electroacupuncture |
| HT | Heat therapy |
| p-p38 | Phosphorylated p38 |
| MAPK | Mitogen-activated protein kinase |
| GFAP | Glial fibrillary acidic protein |
| DPCPX | 1,3-dipropyl-8-cyclopentyl xanthine |
| TCM | Traditional Chinese medicine |