Fig. 2From: Selective activation and proliferation of a quiescent stem cell population in the neuroepithelial body microenvironmentRepresentative images of HE-stained lung cryosections from untreated control (a, d), and 48Â h after intratracheal instillation with 0.9% NaCl (sham-treatment; b, e), or with LPS (c, f). Note that lung morphology shows no clear histological differences between the groupsBack to article page