Fig. 5
From: Inflammogenic effect of polyacrylic acid in rat lung following intratracheal instillation
Cells in BALF at 3 days after the instillation. The images of polymer phagocytosis by macrophages (arrow heads) are shown in the insets. A control group. B 0.2 mg-exposure group. C 1.0 mg-exposure group (internal scale bar = 100 μm for all)