scala

noun
sca·​la | \ ˈskā-lə How to pronounce scala (audio) \
plural scalae\ -​ˌlē How to pronounce scalae (audio) \

Medical Definition of scala

: any of the three spirally arranged canals into which the bony canal of the cochlea is partitioned by the vestibular and basilar membranes and which comprise the cochlear duct, scala tympani, and scala vestibuli

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