Distributions in trachea, bronchi etc

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  • Distributions
    • Trachea
      • lot of cartilage
        • Bronchi
          • inner layer have ciliated epithelium and goblet cells
            • Trachea
              • lot of cartilage
                • Bronchi
                  • inner layer have ciliated epithelium and goblet cells
                    • less regular c-rings
                  • glandular tissue
                  • connective tissue
                  • elastic fibres
                  • smooth muscle
                  • blood vessels
                • regular c-rings
            • less regular c-rings
          • glandular tissue
          • connective tissue
          • elastic fibres
          • smooth muscle
          • blood vessels
        • regular c-rings
      • Bronchioles
        • large ones have cartilage, small don't
        • wall is mainly smooth muscle and elastic fibre
      • Alveoli
        • one cell thick
        • 100-300 um thick
        • good blood supply

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