Figure 6From: Oral tolerance inhibits pulmonary eosinophilia in a cockroach allergen induced model of asthma: a randomized laboratory study Lung histology. Representative lung histology sections from CRA-fed (A) and PBS-fed (B), CRA immunized and challenged mice. Sections are stained with H+E and PAS for mucus and magnified 10×. Quantitation of PAS staining area in CRA-fed and PBS-fed mice (C). Each value is the mean ± SEM for n = 18.Back to article page