Bone Marrow - Inflammation - Gallery

Bone marrow in a male F344/N rat from a chronic study. This low-power view shows relatively pale eosinophilic areas of granulomatous inflammation consisting of aggregates of macrophages (arrows).

Bone marrow in a male F344/N male rat from a chronic study (higher magnification of Figure 1), showing several aggregates of macrophages (arrows), some epithelioid and/or multinucleated.

Bone marrow in a male B6C3F1 mouse from a chronic study (higher magnification of Figure 3), showing a distinct granuloma.