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  • Title: The structural and functional organization of the vestibular apparatus of rats exposed to weightlessness for 20 days on board the Sputnik "Kosmos-782".
    Author: Vinnikov YA, Gazenko OG, Titova LK, Bronstein AA, Govardovskii VI, Gribakin FG, Pevzner RA, Aronova MZ, Kharkeevich TA, Tsirulis TP, Pyatkina GA, Lichakov DV, Pal'mbach LP, Anichin VF.
    Journal: Acta Otolaryngol; 1979; 87(1-2):90-6. PubMed ID: 32734.
    Abstract:
    This investigation of the vestibular apparatus of rats exposed for 20 days to weightlessness on board an earth satellite and to acceleration during take-off and landing has revealed a set of changes in the structural and functional organization, such as adjoinment of the otolith to the utricle receptor surface and peripheral localization of the nucleoli inside the receptor cells' nuclei. Destruction of some receptor cells, apparently due to increased swelling of the vestibular apparatus tissue and alteration of the shape and structure of the otoconia were observed. In the horizontal crista, detachment of the cupula took place.
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