S. No. | Symbol | Meaning |
1 |
| membrane (capacitance, conductance) of the k-th axon |
2 |
| (space, time) variables |
3 |
| transmembrane voltage of the k-th axon |
4 |
| axoplasmic resistance |
5 |
| ephaptic current |
6 |
| (ionic, extracellular) current input |
7 | UB, LB | (upper, lower) bound |
8 |
| (epineurium, perineurium) thickness |
9 |
| (epineurium, perineurium) conductivity |
10 |
| relaxation current |
11 |
| small positive constant |