Figure 8From: Spatial and temporal expression of surfactant proteins in hyperoxia-induced neonatal rat lung injuryImmunohistochemical staining of surfactant protein A on formaldehyde fixed paraffin sections of rat lungs during normal postnatal development on day 3 (A), day 6 (C) and day 10 (E) and after exposure to hyperoxia on day 3 (B), 6 (D) and 10 (F) at a 200-fold magnification. a = alveolus, br = bronchus, bv = blood vessel, s = saccule, tb = terminal bronchus.Back to article page