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Bronchial Tree (Trachea (L & R main bronchi (lobar bronchi (segmental…

- - - - segmental bronchi
        
        bronchioles
        
        terminal bronchioles
        
        respiratory bronchioles
        
        alveolar ducts
        
        alveolar sacs
        
        1 more item...
        
        Deliver air to gas exchange surface
        
        Provides air to one pulmonary lobule
        
        Supply single bronchopulmonary segment
      - enters each lobe
        L: 2 lobes
        R: 3 lobes
    - - Hilum allows access of blood vessels, airways, nerves and lymphatics into lungs
      - anchored in root of lung (dense CT)
        
        attaches to mediastinum
        
        R root: anterior to T5
        L root: anterior to T6