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. 2017 Jun 15;123(3):526–533. doi: 10.1152/japplphysiol.00263.2017

Fig. 6.

Fig. 6.

Bronchial airway morphometry in 3-wk-old CF pigs. A: airway lumen CSA normalized to body weight for bronchial airway segments. Airway segments were defined as the portion of airway from 1 airway branch point to the next. Segments are numbered from most-proximal (1) to most-distal (13). B: bronchial lumen area-to-lung volume ratio (bronchial lumen CSA ÷ lung volume). C: inner wall circularity for individual bronchial airway segments. Data are based on measurements from CT scans acquired at 25-cmH2O airway pressure. Data for each segment (n = 9–11 for 3-wk-old non-CF pigs and n = 7–9 for 3-wk-old CF pigs) are average values from corresponding right and left mainstem bronchial segments. Values are means ± SD.