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Collagen necrosis
| Collagen necrosis score | |||||||
|---|---|---|---|---|---|---|---|
| Experiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Group 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Group 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Group 3 | 1 | 1 | 0 | 0 | 0 | 0 | |
| Group 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
1: small solitary focus of collagen necrosis in epineurium
2: large solitary or multiple small foci of collagen necrosis in epineurium
3: coalescing foci of collagen necrosis in epineurium between nerve fascicles
4: collagen necrosis involving large portions of epineurium and extending to perineurium
