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. 2021 Jan 8;7:594600. doi: 10.3389/fvets.2020.594600

Figure 3.

Figure 3

Photomicrographs of granulomatous inflammation of the hemipenes and cloaca. Large, well-demarcated granulomas expand and compress the submucosa and mucosa of the hemipenes; hematoxylin and eosin, 20× magnification (A). Granulomas surround cores of cellular debris, acicular (cholesterol) clefts, mineral, and mixed morphology bacteria; hematoxylin and eosin, 100× magnification (B). A consistent subpopulation of filamentous, Gram-positive bacteria are present throughout the granulomas, and at the highest concentration of the margins of the granulomas with extension into the wall of the granuloma, Gram, 600× magnification (C).