Figure 7
Representative cell morphology from BALF cytopreparations of rats. Optical microscopy (magnification 400-x) of cells cytopreparation collected in BALF of sham, controls (exposed to compressed air) and TiO2 NP exposed rats. For all TiO2 exposed groups, the images show giant foamy macrophages and the distribution of macrophages containing phagocytized TiO2 NP (arrows). Scale bar = 50 μm.