Figure 3

Photomicrographs of hematoxylin and eosin stained kidney and lymph node sections from mice sampled during the study. Granulomatous cell infiltration in the kidney (A, 10×) of a Swiss Webster mouse inoculated with B. tamiae Th239. Black arrows indicate degenerative glomeruli; the white arrow indicates a degenerating proximal tubule. (B) Necrotizing vasculitis in an axillary lymph node recovered from a Swiss Webster mouse 6 weeks after inoculation with B. tamiae Th339 (40×).