Dictionary

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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
Medical Dictionary

oval window

noun \ˈō-vəl-\

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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