Prolonged Inhalation Exposure to Coal Dust on Irradiated Rats and Consequences

Figure 4

Histological structure of the lungs of intact rats: (a, b) staining with hematoxylin and eosin. (a) Emphysematous enlargement of the alveoli; uneven moderately expressed thickening of the interalveolar septa against the background of vascular congestion and edema, zoom x100. (b) Lymphocytic infiltrates in the interalveolar septa, around the congested vessels and bronchi; bronchi with preserved contours and moderate secretory activity of the epithelium, zoom x160.

(a)

(b)