Fig. 1From: Dynamics of airway response in lung microsections: a tool for studying airway-extra cellular matrix interactions a Airway diameter (measured at 10Â second intervals, during different phases (I, II & III) of airway contraction and relaxation, and each phase represent airway at baseline (I), contracted (II) and partially relaxed (III) respectively. b Moment-by-moment velocity of changes in airway diameter. c, d Cartoons showing airway movements during the phase of contraction and relaxationBack to article page