3.1.5-Lung Toluidin Blue Staining
According to light microscope data obtained from control rat lung
samples on half thin sections with toluidine blue staining, pulmonary
alveoli with normal spread were observed. Alveolar epithelium had normal
appearance and thin edges. These structures were divided by fine
alveolar septa.
According to light microscope data from the PPI group, increased and
abnormal distribution of collagen fibers were observed around blood
capillaries. The increase in erythrocyte amounts was notable.
Occasionally closed and narrowed alveoli were observed. Alveolar
macrophage increase was observed in the alveolar lumen.
According to light microscope data obtained from the group administered
H2 receptor blockers, alveoli and alveoli walls had abnormal and
irregular structures. There was very excessive alveolar narrowing.
Thickening of alveolar walls was observed (Figure 3).