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Airway remodeling schematic. Split figure demonstrating the main features of airway remodeling seen in asthmatic rhesus macaques. In addition to mucous hyperplasia and a thickened basement membrane, blood vessels in the airway mucosa are shown in greater number and density. Random intersections of vessel surface area are referenced to random intersections of the epithelial basement membrane to provide a stereologic ratio of vessel surface–to–basement membrane surface.
