| at the distal end | 5 | location |
| for receiving ions | 4 | purpose |
| in figure 1a | 2 | location |
| conduit → have → opening | 9 |
| conduit → include → opening | 3 |
| conduit → form → opening | 3 |
| negative | neutral | positive |
| 0.043 | 0.908 | 0.049 |
| Raw frequency | 15 |
| Normalized frequency | 0.498 |
| Modifier score | 0.500 |
| Perplexity | 362.419 |