Fig. 2
From: Actinomycosis in a gray four-eyed opossum (Philander opossum) caused by a novel species of Schaalia
Histopathological examination of the subcutaneous mass, stained with hematoxylin and eosin. A Low magnification demonstrating characteristic pyogranulomatous inflammation. Scale bar = 1 mm. B Higher magnification, demonstrating dense mats of filamentous bacterial colonies (arrows) embedded in radiating, brightly eosinophilic material (Splendore-Hoeppli phenomenon). Scale bar = 50 μm