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Baseline vessel diameters
| Control, μM | Metoprolol, μM | |
|---|---|---|
| Mesenteric arteries | ||
| Isoproterenol ± 5 μM metoprolol (n = 7) | 199 ± 27 | 201 ± 25 |
| Isoproterenol ± 10 μM metoprolol (n = 7) | 217 ± 36 | 216 ± 36 |
| Isoproterenol ± 50 μM metoprolol (n = 6) | 224 ± 14 | 230 ± 18 |
| Posterior cerebral arteries | ||
| Isoproterenol ± 50 μM metoprolol (n = 7) | 148 ± 7.6 | 145 ± 9 |
Values are means ± SE.
