scala tympani

scala tym·pa·ni

noun \-ˈtim-pə-ˌnī, -ˌnē\

plural scalae tym·pa·no·rum \-ˌtim-pə-ˈnōr-əm, -ˈnȯr-əm\

Definition of SCALA TYMPANI

: the lymph-filled spirally arranged canal in the bony canal of the cochlea that is separated from the scala media by the basilar membrane, communicates at its upper end with the scala vestibuli, and abuts at its lower end upon the membrane that separates the round window from the middle ear