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Characteristics of soleus muscle feed arteries from young and old rats used in the antioxidant studies
| Parameter | Con | SOD | SOD + CAT | SOD + l-NNA |
|---|---|---|---|---|
| Maximal diameter, μm | ||||
| Young | 162.6±5.5 | 178.1±8.0 | 175.8±7.3 | 181.9±8.7 |
| Old | 158.3±7.6 | 183.2±9.4 | 175.3±13.9 | 169.0±14.2 |
| Initial tone, % | ||||
| Young | 41.1±2.3 | 38.3±2.9 | 38.2±3.9 | 47.4±5.2 |
| Old | 40.8±3.2 | 39.0±2.8 | 37.1±4.1 | 42.4±4.9 |
Values are means ± SE; n = 6–21 rats/group. SOD, superoxide dismutase; CAT, catalase.
