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Characteristics of sham-control and maternal nano-TiO2 inhalation exposed umbilical veins (n=8–10). Values shown are mean ± SEM. Statistics were analyzed with two-way ANOVA (P ≤ 0.05), * vs Sham-control group.
| n | Inner diameter (μm) | Outer diameter (μm) | Tone (%) | Passive diameter inner (μm) | Passive diameter outer (μm) | Wall Tension (Newton/meter) | |
|---|---|---|---|---|---|---|---|
| Control | 10 | 458±30 | 718±38 | 14±1 | 543±29 | 753±38 | 0.32±0.2 |
| Exposed | 8 | 447±16 | 689±14 | 12±3 | 623±40 * | 741±17 | 0.43±0.4 |
