Respiratory bronchioles as the pathway for collateral ventilation.
D000818:Animals; D001980:Bronchi / Q000502:physiology*; D004285:Dogs; D066298:In Vitro Techniques; D007281:Ink; D008168:Lung / Q000502:physiology*; D011137:Polystyrenes; D011312:Pressure; D012119:Respiration
D011137:Polystyrenes