Architecture of Lung Parenchyma

  • E. H. Oldmixon
Conference paper


Two essential tasks of the mammalian lung are to provide a large gas-exchanging surface and to promote both the supply of oxygen-rich air to this surface and the removal of waste gasses from it. The mammalian lung solves the problem of providing ample surface by being, in large part, an open-celled foam, and it accomplishes the supply and removal of gasses by passively changing its volume while under varying tension. Neither solution is the only one available to an organism; the exchanging surfaces of avian lungs are more similar to bundled tubes, and air is propelled through this constant-volume array by the action of peripheral sacs.


Free Edge Alveolar Septum Geometric Similarity Respiratory Bronchiole Mammalian Lung 
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Copyright information

© Springer-Verlag New York, Inc. 1990

Authors and Affiliations

  • E. H. Oldmixon
    • 1
  1. 1.Departments of MedicineMemorial Hospital of RI and Brown UniversityPawtucketUSA

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