scala vestibuli
noun
scala ves·tib·u·li
| \ -ve-ˈstib-yə-ˌlī
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plural scalae vestibulorum\ -ve-ˌstib-yə-ˈlō-rəm
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Medical Definition of scala vestibuli
: the lymph-filled spirally arranged canal in the bony canal of the cochlea that is separated from the cochlear duct below by the vestibular membrane, is connected with the oval window, and receives vibrations from the stapes