Lesions | Treated rats groups | |||||
---|---|---|---|---|---|---|
A | B | C | D | E | F | |
Thickening of interstitial tissue | 0 | 0 | 0 | 3 | 1 | 1 |
Areas of liquefactive necrosis | 0 | 0 | 0 | 2 | 1 | 0 |
Neutrophilic infiltration | 0 | 0 | 0 | 3 | 2 | 1 |
Inflammatory exudate in bronchiolar lumen | 0 | 0 | 0 | 2 | 1 | 0 |
Peribronchiolar inflammatory cells infiltration | 0 | 0 | 0 | 2 | 1 | 1 |
Peribronchiolar vascular congestion | 0 | 0 | 0 | 3 | 2 | 1 |
Bronchiolar wall hyperplasia | 0 | 0 | 0 | 3 | 1 | 1 |