Observations on saccules of rats exposed to longterm hypergravity

D. J. Lim; J. A. Stith; C. W. Stockwell; J. Oyama

Observations on saccules of rats exposed to longterm hypergravity

D. J. Lim, J. A. Stith, C. W. Stockwell, J. Oyama

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Abstract

The saccules of 15 centrifuged rats and 15 control rats were examined for morphological alterations resulting from long term exposure to hypergravity. Minimal changes were found confined to the otolithic membrane. They were a slight decrease in the overall volume of otolithic membrane, a redistribution of otoconia in the direction of the gravitational force, and a more pronounced 'accessory' membrane. These changes were interpreted as purely mechanical effects of hypergravity, causing accelerated displacement of otoconia and subsequent entrapment of some of them on inferior portions of the primary otolithic membrane and 'accessory' membrane.

Original language	English (US)
Pages (from-to)	705-710
Number of pages	6
Journal	AEROSPACE MED.
Volume	45
Issue number	7
State	Published - 1974

ASJC Scopus subject areas

Medicine(all)

Cite this

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title = "Observations on saccules of rats exposed to longterm hypergravity",

abstract = "The saccules of 15 centrifuged rats and 15 control rats were examined for morphological alterations resulting from long term exposure to hypergravity. Minimal changes were found confined to the otolithic membrane. They were a slight decrease in the overall volume of otolithic membrane, a redistribution of otoconia in the direction of the gravitational force, and a more pronounced 'accessory' membrane. These changes were interpreted as purely mechanical effects of hypergravity, causing accelerated displacement of otoconia and subsequent entrapment of some of them on inferior portions of the primary otolithic membrane and 'accessory' membrane.",

author = "Lim, {D. J.} and Stith, {J. A.} and Stockwell, {C. W.} and J. Oyama",

year = "1974",

language = "English (US)",

volume = "45",

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journal = "AEROSPACE MED.",

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AU - Stith, J. A.

AU - Stockwell, C. W.

AU - Oyama, J.

PY - 1974

Y1 - 1974

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AB - The saccules of 15 centrifuged rats and 15 control rats were examined for morphological alterations resulting from long term exposure to hypergravity. Minimal changes were found confined to the otolithic membrane. They were a slight decrease in the overall volume of otolithic membrane, a redistribution of otoconia in the direction of the gravitational force, and a more pronounced 'accessory' membrane. These changes were interpreted as purely mechanical effects of hypergravity, causing accelerated displacement of otoconia and subsequent entrapment of some of them on inferior portions of the primary otolithic membrane and 'accessory' membrane.

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Observations on saccules of rats exposed to longterm hypergravity

Abstract

ASJC Scopus subject areas

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