Pathological spectrum of airway inflammation.- Role of basophils in airways inflammation.- Platelets.- Neutrophils.- Eosinophils in asthma.- Fibroblasts and myofibroblasts.- Airway macrophages and dendritic cells.- Contribution of endothelial cells to airway inflammation.- Airway epithelial cells.- Airway smooth muscle cells.- Drugs that reduce airways inflammation.- T cells in the lung.