Postnatal enlargement of human tracheobronchial airways and implications for particle deposition.

  title={Postnatal enlargement of human tracheobronchial airways and implications for particle deposition.},
  author={Robert F. Phalen and Michael J. Oldham and C B Beaucage and Thomas Timothy Crocker and Jeff Mortensen},
  journal={The Anatomical record},
  volume={212 4},
In support of predictions for inhaled particle deposition, morphometric measurements were taken on 20 replica airway casts of people aged 11 days to 21 years. Measurements of right upper lobe airway lengths, diameters, and branching angles were made such that a growth model suitable as input to predictive equations for particle deposition efficiency was obtained. The tracheobronchial airways growth was describable by linear regressions on body length. The length-to-diameter ratio of growing… CONTINUE READING


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