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AKR/J-Lvif mouse, skeletal muscle; fistula. Photomicrograph showing colonies of coccoid bacteria on the fistula surface (arrowheads) and deeper in the tissue (arrow). Note the abundant granulation tissue and fibrosis with mild neutrophilic infiltrate and edema on the adjacent tissue (asterisk). Hematoxylin and eosin stain; magnification, ×200.
