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Gorgiladze G.I.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina | Shipov A.A.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina | Horn E.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina
Aviakosmicheskaya i Ekologicheskaya Meditsina | Year: 2012

The review deals with the investigations of structural and functional modifications in the equilibrium organ (EO) in invertebrates (coelenterates, shells, crustaceans and insects) and vertebrates (fishes, amphibians, rats, primates) on different ontogenetic stages in the condition of microgravity and during readaptation to the Earths gravity. Results of the investigations detail the adaptive strategy of terrestrial organism in the environment lacking the gravitational components that leads to the discrepancy of an inner model of the body - environment schema constructed by the central nervous system at 1 g and the novel reality. It is manifested by ataxic behavior and increased graviceptors' afferentation against efferent system inactivation. The new condition is denned as a sensibilization phase ensued by the eluding phase: behavior obeys the innate motion strategy, whereas graviceptors' afferentation decreases due to activation of the efferent system. Readaptation to 1 G takes several to 50 days and proceeds as a sequence of slow In motion behavior, ataxia and vestibular sensitization. Reactivity of the gravitosensory system to microgravity was found to be age-dependent. Gain in the EO inertia/mass in microgravity and reduction with return to 1 g indicates gravity relevance to EO genesis. Source


Iiyin V.K.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina | Solovieva Z.O.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina | Skedina M.A.,Aviakosmicheskaya I Ekoloqicheskaya Meditsina
Aviakosmicheskaya i Ekologicheskaya Meditsina | Year: 2011

Automated digital image microscopy was used to evaluate skin microbial populations in 14-and 105-day isolation experiments within the Mars-500 project. Source

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