Dictionary

oval window

noun

Definition of OVAL WINDOW

:  an oval opening between the middle ear and the vestibule having the base of the stapes or columella attached to its membrane

First Known Use of OVAL WINDOW

1683

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noun \ˈō-vəl-\   (Medical Dictionary)

Medical Definition of OVAL WINDOW

:  an oval opening between the middle ear and the vestibule having the base of the stapes or columella attached to its membrane—called also fenestra ovalis, fenestra vestibuli

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