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Definition of fenestration
1 : the arrangement, proportioning, and design of windows and doors in a building
2 : an opening in a surface (such as a wall or membrane)
3 : the operation of cutting an opening in the bony labyrinth between the inner ear and tympanum to replace natural fenestrae that are not functional
Indulge Your Inner Word Nerd
First Known Use of fenestration
1846
Medical Dictionary
fenestration
play
noun
fen·es·tra·tion
\ˌfen-ə-ˈstrā-shən\
Medical Definition of fenestration
1a: a natural or surgically created opening in a surfaceb: the presence of such openings
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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