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Medical Dictionary

fenestration

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noun fen·es·tra·tion \ˌfen-ə-ˈstrā-shən\

Medical Definition of fenestration

  1. 1a:  a natural or surgically created opening in a surfaceb:  the presence of such openings

  2. 2:  a surgical procedure that involves cutting an opening in the bony labyrinth between the inner ear and tympanum to replace natural fenestrae that are not functional (as in otosclerosis)




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