Fig. 2From: A case report: Actinobaculum suis infection associated with formation of pyogranuloma, epididymitis and azoospermia in a boarHistology (H&E stain) of the epididymis of the slaughtered boar. a Pyogranuloma (green arrows) and unaffected Ductus epididymidis (green stars). b Close up of a pyogranuloma: Mineralized centre (green star) surrounded by many multinucleated giant cells (green arrows) and proliferating fibroblasts (foreign body reaction)Back to article page