Bar Plot from Scientific Research

Photomicrographs of hematoxylin and eosin (H&E) stained lung sections from control and bleomycin-treated mice. (A) Control lung showing normal alveolar architecture. (B) Bleomycin-treated lung exhibiting alveolar thickening, inflammation, and fibrosis. (C) High-power view of bleomycin-treated lung showing collagen deposition (blue staining) indicative of fibrosis. (D) Control lung stained with Masson's trichrome showing minimal collagen. Scale bars: A, B = 200 m; C, D = 50 m.

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