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Fig. 2 | Acta Veterinaria Scandinavica

Fig. 2

From: Characterization of TLR2, NOD2, and related cytokines in mammary glands infected by Staphylococcus aureus in a rat model

Fig. 2

Histopathological findings of mammary glands inoculated with S. aureus. H&E stain. Bar = 50 μm. a PMNs predominately neutrophils appeared in the intralobular ducts, alveoli, and interlobular connective tissues at 6 h pi (arrow). b Secretory units (arrowhead), epithelial cells debris (large arrow) mixed with neutrophils (small arrow) in acini at 12 h pi. c Increased number of neutrophils (small arrow), lymphocytes (arrowhead), and plasma cells (large arrow) appeared in the mammary alveoli, accompanied with epithelial cells, and casein (asterisk) at 24 h pi. d Atrophy of acini (asterisk) with netrophils (arrow) and lymphocytes (arrowhead) in the mammary alveoli and intralobular connective tissues at 48 h pi

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