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. 2015 Sep 30;6:267. doi: 10.3389/fphys.2015.00267

Figure 2.

Figure 2

Static lung elastance (Est,L) (A), mean linear intercept (Lm) (B), mononuclear cells, neutrophils, and total cells in lung tissue (C), and representative photomicrographs of lung parenchyma stained with hematoxylin-eosin. Note enlargement of alveolar space in the Egroup (arrow) (D). Presence of pulmonary emphysema on day 21 was analyzed in two groups (C,E). C, mice received intratracheal saline and were analyzed on day 21; E, mice received intratracheal porcine pancreatic elastase and were analyzed on day 21. *Significantly different from C (p < 0.05).