Size and cell number of the utricle in kinetotically swimming fish: a parabolic aircraft flight study.

作者: A. Bäuerle , R.H. Anken , R. Hilbig , N. Baumhauer , H. Rahmann

DOI: 10.1016/J.ASR.2004.01.024

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摘要: Abstract Humans taking part in parabolic aircraft flights (PAFs) may suffer from space motion sickness (SMS, a kinetosis). Since it has been repeatedly shown earlier that some fish of given batch also reveal kinetotic behavior during PAFs (especially so-called spinning movements and looping responses) due to the homology vestibular apparatus among all vertebrates, can be used as model systems investigate origin susceptibility sickness. Therefore, we examined utricular maculae (they are responsible for internalization gravity teleosteans) swimming kinetotically at microgravity comparison with animals same who swam normally. On histological level, was found total number both sensory supporting cells did not differ between compared normally fish. Cell density (sensory cells/100 μm2), however, reduced (p

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