Table 4.
Experiment 1—Relative weight of lungs, heart and brain for 6 and 12 weeks of exposure (mean ± SD).
| Relative Weight,% | ||
|---|---|---|
| 1–6 Weeks | 7–12 Weeks | |
| Lungs | ||
| 0% TA | 0.736 a ± 0.04 | 0.714 a ± 0.06 |
| 0.5% TA | 0.707 a ± 0.06 | 0.715 a ± 0.02 |
| 1% TA | 0.729 a ± 0.01 | 0.740 a ± 0.01 |
| 1.5% TA | 0.713 a ± 0.02 | 0.737 a ± 0.02 |
| 2% TA | 0.706 a ± 0.03 | 0.715 a ± 0.05 |
| 2.5% TA | 0.933 b ± 0.08 | 0.838 b ± 0.03 |
| Heart | ||
| 0% TA | 0.445 a ± 0.03 | 0.364 a ± 0.03 |
| 0.5% TA | 0.459 a ± 0.02 | 0.362 a ± 0.03 |
| 1% TA | 0.460 a ± 0.04 | 0.370 a ± 0.01 |
| 1.5% TA | 0.438 a ± 0.01 | 0.369 a ± 0.02 |
| 2% TA | 0.429 a ± 0.01 | 0.355 a ± 0.01 |
| 2.5% TA | 0.569 b ± 0.02 | 0.420 b ± 0.01 |
| Brain | ||
| 0% TA | 0.730 a ± 0.05 | 0.594 a ± 0.03 |
| 0.5% TA | 0.693 a ± 0.01 | 0.619 a ± 0.05 |
| 1% TA | 0.694 a ± 0.05 | 0.627 a ± 0.01 |
| 1.5% TA | 0.667 a ± 0.02 | 0.628 a ± 0.01 |
| 2% TA | 0.653 a ± 0.02 | 0.607 a ± 0.05 |
| 2.5% TA | 0.868 b ± 0.06 | 0.711 b ± 0.02 |
a, b significant differences between groups (p < 0.05); SD—standard deviation.