| BDB | blood–DRG barrier |
| CCI | chronic constriction injury |
| cldn1 | claudin-1 |
| cldn5 | claudin-5 |
| cldn12 | claudin-12 |
| cldn19 | claudin-19 |
| DRG | dorsal root ganglion |
| EPN | epi-/perineurium |
| FRR | fiber-rich region |
| IR | immunoreactivity |
| LMD | laser microdissection |
| MB | myelin barrier |
| NRR | neuron-rich region |
| vWF | von Willebrandt factor |