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Figure 4 | Veterinary Research

Figure 4

From: Differences in virulence between the two more prevalent Staphylococcus aureus clonal complexes in rabbitries (CC121 and CC96) using an experimental model of mammary gland infection

Figure 4

Mammary gland lesions immunohistochemically stained showing different locations of the marked cells. A Macrophages (RAM11+) are located peripherally to the necrotic area to form “palisades”, and to separate necrotic tissue from healthy tissue. Scale bar = 500 µm. B An encapsulated abscess surrounded by loose connective tissue reveals the presence of abundant T-lymphocytes (CD3+) entangled in the layers of loose connective tissue around the abscess. Scale bar = 50 μm. C Proliferation of B-lymphocytes (CD79αcy+) in the mammary interstitium arranged in lines and forming strands. Scale bar = 25 μm. D Peripheral area of suppurative mastitis with a lobular pattern in which many cells are plasma cells (IgG+). Scale bar = 25 μm.

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