Figure 2
From: Repair of tracheal epithelium by basal cells after chlorine-induced injury
Morphometric analysis of tracheal epithelium in chlorine-exposed mice. Tracheal epithelium was evaluated in H&E-stained sections as described in Materials and Methods. The graphs depict the percentage of basement membrane surface area covered by normal (A), squamous (B), reparative (C), or denuded (D) epithelium in proximal, middle, and distal trachea. a, p < 0.05 vs. unexposed; b, p < 0.05 vs. proximal.