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Results of ear examinationIn the five pocket mice flown on Apollo XVII, no evidence was found that the inner ear had been damaged, though poor fixation precluded detailed study. On the other hand, the middle ear cavity was involved in all the mice, hemorrhage having occurred in response to excursions in pressure within the canister that housed the mice during their flight. The same occurred in flight control mice which had been subjected to pressure excursions of much the same magnitude. A greater degree of exudation into air cells and greater leukotaxis were noted in the flight animals than in the control animals. There was no increase in leukocyte population along the paths of the 23 cosmic-ray particles registered in the subscalp dosimeters that traversed the middle ear cavities of the flight mice. The increased exudation and the greater response by leukocytes in the flight mice may have been causally related to the lesions found in their olfactory mucosa but there were no data in support of this possibility.
Document ID
19750045530
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Haymaker, W.
Leon, H. A.
Barrows, W. F.
Suri, K.
Kraft, L. M.
Turnbill, C. E.
Webster, D. B.
Ashley, W. W.
Look, B. C.
Simmonds, R. C.
(NASA Ames Research Center Moffett Field; San Francisco, University, San Francisco, Calif.; Louisiana State University, New Orl, United States)
Date Acquired
August 8, 2013
Publication Date
April 1, 1975
Subject Category
Life Sciences (General)
Accession Number
75A29602
Distribution Limits
Public
Copyright
Other

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