3 Antiasthmatic drugs Alertor macrophage dendritic ce 新 Mast cell 8少 Mucus plug Epthelial shedding nm mmm nn m ghm Nerve h n m n o activation oOOO Subepithelial fibrosis s Fibroblast Sensory nerve MurIS activation hypersecretion Plasma leakage Hyperplasia Edema cholinergic angiogenesis Bronchoconstriction Airway Hypertrophy/hyperplasia smooth musce Subcutaneous layer3. Antiasthmatic drugs