Definition of scala tympani in US English:

scala tympani


  • The lower bony passage of the cochlea.

    • ‘This process limits the recessus scalae tympani anteriorly (filled by sandstone).’
    • ‘The organ of hearing (the organ of Corti) is located in the scala media (cochlear duct) of the inner ear and is separated from the underlying scala tympani by the basilar membrane.’
    • ‘The scala tympani uses both approaches, to different degrees in different lineages.’


Early 18th century: from Latin, literally ‘ladder of the tympanum’.


scala tympani

/ˌskālə ˈtimpənē/