Fig. 2From: Acute phase response following pulmonary exposure to soluble and insoluble metal oxide nanomaterials in miceMouse lung histopathology 28 days post-exposure to Al2O3, SnO2, TiO2 and Printex 90. Macrophage aggregates in the alveolar region (arrows) and perivascular lymphocytic infiltration (arrowheads). Brightfield microscopy, H&E stain, and scale bar (50 μm) applies to allBack to article page