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Microgravity and the lungResults are presented from studies of the effect of microgravity on the lungs of rats flown on the Cosmos 2044 mission, and from relevant laboratory experiments. The effects of microgravity fall into five categories: topographical structure and function, the lung volumes and mechanics, the intrathoracic blood pressures and volumes, the pulmonary deposition of aerosol, and denitrogenaton during EVA. The ultrastructure of the left lungs of rats flown for 14 days on the Cosmos 2044 spacecraft and that of some tail-suspended rats disclosed presence of red blood cells in the alveolar spaces, indicating that pulmonary hemorrhage and pulmonary edema occurred in these rats. Possible causes for this phenomenon are discussed.
Document ID
19920056503
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
West, John B.
(California, University La Jolla, United States)
Date Acquired
August 15, 2013
Publication Date
February 1, 1991
Publication Information
Publication: Physiologist, Supplement
Volume: 34
Issue: 1 Fe
ISSN: 0031-9376
Subject Category
Life Sciences (General)
Accession Number
92A39127
Funding Number(s)
CONTRACT_GRANT: NAG2-616
CONTRACT_GRANT: NIH-HL-17331-16
Distribution Limits
Public
Copyright
Other

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