Lipoxygenase Pathway Mediates Increases of Airway Resistance and Lung Inflation Induced by Exposure to Nanotitanium Dioxide in Rats

Figure 5

Lung tissue samples from the central and lower portions of the right lower lobe stained with hematoxylin and eosin (H&E) and Masson trichrome stain: (a) rat lung taken from the sham group and (b) rat lung from the nTiO₂ exposure control group.

(a)

(b)