Figure 3
From: Brucella cetiinfection in dolphins from the Western Mediterranean sea
Immunohistochemical staining of Brucella , striped dolphin (case 372/09), spleen section. A. Section incubated with specific polyclonal antiserum to Brucella melitensis. Positivity was found in cytoplasm of cells within lymphoid follicles. B. Parallel section of the same tissue incubated with control negative antiserum. Haematoxylin counterstain.