Post-exposure time | 24 hr | Â | Â | Â | 48 hr | Â | Â | Â | |
---|---|---|---|---|---|---|---|---|---|
Group | Â | 1 | 4 | 5 | 6 | 1 | 4 | 5 | 6 |
Number examined | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | |
Alveolar Mφ | minimal | 2 | 6 | 3 | 5 | 4 | 6 | 3 | - |
 | slight | - | 2 | 5 | 1 | 1 | 4 | 2 | 6 |
 | moderate | - | 1 | 1 | 1 | - | - | 4 | 2 |
 | marked | - | - | - | - | - | - | - | 2 |
 | overall | 2 | 13 | 16 | 10 | 6 | 14 | 19 | 26 |
Inflammatory foci thick septa + alveolar Mφ | minimal | 6 | 4 | 3 | - | 6 | 2 | - | - |
 | slight | 3 | 5 | 3 | 3 | 2 | 4 | - | - |
 | moderate | - | - | 3 | 3 | 2 | 4 | 7 | 3 |
 | marked | - | - | - | 3 | - | - | 3 | 7 |
 | overall | 12 | 14 | 18 | 27 | 16 | 22 | 33 | 37 |
BrdU score | number examined | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
 | minimal | 2 | - | - | - | 6 | 1 | - | - |
 | slight | 1 | 1 | - | - | - | 3 | - | - |
 | moderate | - | 3 | 3 | - | - | 2 | 3 | 2 |
 | marked | - | 2 | 2 | 3 | - | - | 3 | 2 |
 | strong | - | - | 1 | 3 | - | - | - | 2 |
 | overall | 4 | 19 | 22 | 27 | 6 | 13 | 21 | 24 |