Table 1 Summary of microscopic lung lesions
Sham control | Time post exposure (hr) | |||||
|---|---|---|---|---|---|---|
0 | 6 | 24 | 48 | 96 | 168 | |
Lung, number examined | 5 | 5 | 5 | 5 | 5 | 5 |
Infiltrate Cellular, Macrophage | 1a (1.0)b | 2 (1.5) | 3 (1.3) | 1 (1.0) | 2 (1.0) | 5 (1.0) |
Foreign Body (intracellular) | 0 | 0 | 0 | 0 | 0 | 0 |
Mixed Inflammation, Interstitium | 0 | 0 | 0 | 0 | 0 | 1 (1.0) |
Nano-particle exposed | Â | |||||
Lung, number examined | 5 | 5 | 5 | 5 | 5 | 4 |
Infiltrate Cellular, Macrophage | 5 (1.0) | 5 (1.2) | 5 (1.0) | 5 (2.0) | 5 (1.0) | 4 (1.0) |
Foreign Body (intracellular) | 5 (1.0) | 5 (1.0) | 5 (1.0) | 5 (1.0) | 5 (1.0) | 4 (1.0) |
Mixed Inflammation, Interstitium | 0 | 0 | 0 | 2 (1.0) | 2 (1.0) | 1 (1.0) |