Figure 7From: Sub-chronic toxicity study in rats orally exposed to nanostructured silicaHistological and electron microscopical images from the liver. (A) Light microscopic image of a macrophage (indicated by the circle) in liver tissue from an animal treated with the highest dose of SAS for 84 days, and (B) a corresponding SEM-EDX graph of the same macrophage (indicated by the rectangle) in which (C) the elemental composition was analyzed.Back to article page