Fig. 3From: Postnatal overnutrition in mice leads to impaired pulmonary mechanics in response to salbutamolRepresentative lung airway and parenchyma photomicrographs stained by the orcein method (elastic fibers, brown; a and b) and the picrosirius-polarization method (collagen fibers, different blazing colors; c and d). Arrows indicate collagen or elastic fibers in the lung parenchyma and airways. Magnification: × 200. Scale bars 50 µmBack to article page