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Volume-Pressure Hysteresis of the Lungs

  • Robert R. Mercer

Abstract

Recoil due to tissue elastic forces and surface tension are the principal mechanisms which counter balance the inflating transpulmonary pressure of the lungs. The stress-strain properties of the elastic elements and surface tension-area relationships of surfactant are not sufficient to describe the mechanical behavior of the lungs because of the complex arrangement of the alveoli and alveolar ducts (Figure 1.).

Keywords

Collagen Fiber Collagen Fibril Elastic Element Transpulmonary Pressure Alveolar Septum 
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References

  1. Mercer, R. R., and J. D. Crapo. Three-dimensional reconstruction of the rat acinus. J. Appl. Physiol. 63: 785–794,1987.Google Scholar
  2. Mercer, R. R, and J. D. Crapo. The structure of the gas exchange region of the lungs determined by three-dimensional reconstruction. In: Toxicology of the Lung. D. E. Gardner, J. D. Crapo, and E. J. Massaro, eds., Raven Press, New York,1988.Google Scholar
  3. Mercer, R.R., and J.D. Crapo. The spatial distribution of collagen and elastin fibers in the lungs. J. Appl. Physiol, (in press), 1990.Google Scholar
  4. Mercer, R.R., M.L. Russell and J.D. Crapo. Species variations in alveolar septal wall connective tissue fibers. Am Rev Resp Dis, 141,A714, 1990.Google Scholar

Copyright information

© Springer-Verlag New York, Inc. 1990

Authors and Affiliations

  • Robert R. Mercer
    • 1
  1. 1.Duke UniversityUSA

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