Fig. 6: Streptomyces somalensis grain and Type III tissue reaction.
From: The contribution of mycetoma grains to suboptimal disease management

A Streptomyces somalensis grain surrounded by multiple neutrophils 5 (Type I reaction). Stained with H&E X40. B Type III tissue reaction composed of epithelioid granulomas. Stained 7 with H&E X40.