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Rat growth during chronic centrifugationFemale weanling rats were chronically centrifuged at 4.15 G with controls at terrestrial gravity. Samples were sacrificed for body composition studies at 0, 28, 63, 105 and 308 days of centrifugation. The centrifuged group approached a significantly lower mature body mass than the controls (251 and 318g) but the rate of approach was the same in both groups. Retirement to 1G on the 60th day resulted in complete recovery. Among individual components muscle, bone, skin, CNS, heart, kidneys, body water and body fat were changed in the centrifuged group. However, an analysis of the growth of individual components relative to growth of the total fat-free compartment revealed that only skin (which increased in mass) was responding to centrifugation per se.
Document ID
19780064731
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Pitts, G. C.
(Virginia, University Charlottesville, Va., United States)
Oyama, J.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
May 1, 1978
Subject Category
Life Sciences (General)
Meeting Information
Meeting: Plenary Meeting
Location: Innsbruck
Country: Austria
Start Date: May 29, 1978
End Date: June 10, 1978
Sponsors: COSPAR
Accession Number
78A48640
Distribution Limits
Public
Copyright
Other

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