| Typicality: | 0.695 |
| Saliency: | 0.763 |
| along their length | 8 | location |
| to prevent the blood | 8 | purpose |
| in them | 6 | location |
| vein → have → one-way valves | 79 |
| vein → contain → one-way valves | 26 |
| vein → have → a one-way valve | 7 |
| vein → have → one way valves | 6 |
| vein → act as → one-way valves | 4 |
| vein → use → one-way valves | 3 |
| vein → have → a series of one-way valves | 3 |
| vein → be → one-way valves | 3 |
| vein → rely on → one-way valves | 3 |
| vein → rely on → a network of one-way valves | 3 |
| negative | neutral | positive |
| 0.114 | 0.817 | 0.068 |
| Raw frequency | 137 |
| Normalized frequency | 0.763 |
| Modifier score | 0.867 |
| Perplexity | 63.700 |