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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Burn and thoracic trauma alters fracture healing, systemic inflammation, and leukocyte kinetics in a rat model of polytrauma

Fig. 2

Injured and non-injured lungs and skin. Representative images (H&E and Masson’s Trichrome) from a normal skin (naïve) (H&E; 100x). b Normal skin (naïve) (Masson’s Trichrome; × 100). c Scalded skin (H&E; × 100). Note the coagulated stroma (black arrow), necrotic epidermis (blue arrow), necrotic hair follicle (red arrow), and necrotic sebaceous gland (yellow arrow) compared to panel a. d Scalded skin (Masson’s Trichrome; × 100). Note that the coagulated stroma stains red compared to the normal stroma (black arrow) in panel b. e Normal lung (naïve) (H&E; × 400). f Lung from a rat subjected to blunt force trauma (H&E; × 400). Note the thickening of the alveolar septa with fibrin and inflammatory cells (black arrow) and alveoli which contain hemorrhage (blue arrow) and fibrin (red arrow) and mixed with inflammatory cells (yellow arrow). Note that alveoli normally contain few macrophages (panel e; green arrow), but are not associated with alveolar septal lesions, hemorrhage, or fibrin

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