Transient dehydration of lungs in tail-suspended rats

The fluid balance in the lungs of rats exposed to head-down tilt is examined. Six Munich-Wister rats were suspended for 7 days and 10 Sprague-Dawley rats for 14 days using the technique of Morey (1979). The water contents of the lungs of the suspended and a control group are calculated and compared....

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Bibliographic Details
Published in:The Physiologist 1985-12, Vol.28 (6 Suppl), p.S155-S156
Main Authors: Hargens, A. R., Steskal, J., Morey-Holton, E. R.
Format: Article
Language:English
Subjects:
Animals
Body Water - analysis
Dehydration - etiology
Life Sciences (General)
Lung - analysis
Male
Rats
Rats, Inbred Strains
Space life sciences
Weightlessness
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Summary:The fluid balance in the lungs of rats exposed to head-down tilt is examined. Six Munich-Wister rats were suspended for 7 days and 10 Sprague-Dawley rats for 14 days using the technique of Morey (1979). The water contents of the lungs of the suspended and a control group are calculated and compared. The data reveal that the two-days suspended rats had dehydrated lungs; however, the lungs of the 14-day suspended and control group rats were similar. It is noted that the dehydration in the 2-day suspended rats is caused by general dehydration not the head-tilt position.
ISSN:0031-9376