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Control of red blood cell mass during spaceflightData are reviewed from twenty-two astronauts from seven space missions in a study of red blood cell mass. The data show that decreased red cell mass in all astronauts exposed to space for more than nine days, although the actual dynamics of mass changes varies with flight duration. Possible mechanisms for these changes, including alterations in erythropoietin levels, are discussed.
Document ID
20040089445
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lane, H. W.
(NASA Johnson Space Center Houston TX United States)
Alfrey, C. P.
Driscoll, T. B.
Smith, S. M.
Nyquist, L. E.
Date Acquired
August 21, 2013
Publication Date
September 1, 1996
Publication Information
Publication: Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology
Volume: 3
Issue: 2
ISSN: 1077-9248
Subject Category
Aerospace Medicine
Distribution Limits
Public
Copyright
Other
Keywords
STS Shuttle Project
long duration
short duration
NASA Discipline Regulatory Physiology
Mir Project
NASA Center JSC
Flight Experiment
Non-NASA Center
manned

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