RATING OF INTENSITY OF GAS EXCHANGE IN MICROSTRUCTURES OF LUNG ACINUS WITH USE OF ANALYTICAL MODELLING
Abstract
Analytical modelling of gas exchange in microstructures of acinus has shown, that functionally it is not homogeneous. Alveolus, alveolar bags and alveolar courses of 3-rd order formates a zone of stable gas exchange, a component of 72-86% of acinus volume (a respiratory zone), and 4 order of respiratory bronchiolus and alveolar courses of 1-st and in part 2-nd orders relate to a zone of astable gas exchange (transit zone). Volumes of zones, their participation in gas exchange and dependence on weight of a body are determined. The gradient of concentration of carbon dioxide in acinus from terminal bronchiolus up to terminal alveolus is established. Presence of symmorphosis in human lungs, which occurs in gas exchange structures of transit zone is shown.
About the Authors
G. S. Shishkin
НИИ физиологии СО РАМН
Russian Federation
Russian Federation
N. V. Ustyzhaninova
НИИ физиологии СО РАМН
Russian Federation
Russian Federation
Сергей Гладырь
НИИ физиологии СО РАМН
Russian Federation
Russian Federation
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Review
For citations:
Shishkin G.S., Ustyzhaninova N.V., RATING OF INTENSITY OF GAS EXCHANGE IN MICROSTRUCTURES OF LUNG ACINUS WITH USE OF ANALYTICAL MODELLING. Bulletin Physiology and Pathology of Respiration. 2007;(26):7-12. (In Russ.)
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