| against environmental stress for the skin | 3 | transitive-object |
| from infection | 2 | transitive-object |
| stem cell → be → protected | 4 |
| stem cell → offer → protection | 3 |
| negative | neutral | positive |
| 0.089 | 0.511 | 0.400 |
| Raw frequency | 7 |
| Normalized frequency | 0.171 |
| Modifier score | 0.500 |
| Perplexity | 225.802 |