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Change in radiosensitivity of rats during hypokinetic stressThe laws governing stress modification of radiation sickness in relation to hypokinetic stress were investigated. It was found that gamma irradiation (800 rad) of rats on the third day of exposure to hypokinesia increased the radiosensitivity of the animals which was determined by the survival rate and the dynamics of body weight and the weight of some internal organs. The same radiation dose was given on the 20th day of hypokinesia and on the third day of recovery from the 20 day hypokinesia decreased the radiosensitivity of rats. It is concluded that the variations in the radiosensitivity observed may be due to a stress effect of hypokinesia.
Document ID
19800018569
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Chernov, I. P. (NASA Headquarters Washington, DC United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1980
Subject Category
Life Sciences (General)
Report/Patent Number
NASA-TM-75968
Accession Number
80N27068
Funding Number(s)
CONTRACT_GRANT: NASW-3198
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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