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scala
noun(sca-la)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
scala
noun(sca-la)cochlear duct
scala
noun(sca-la)the lymph-filled spirally arranged canal in the bony canal of the cochlea that is separated from the cochlear duct 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
scala
noun(sca-la)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
scala
noun(sca-la)the spirally arranged canal in the bony canal of the cochlea that contains the organ of Corti, is triangular in cross section, and is bounded by the vestibular membrane above, by the periosteum-lined wall of the cochlea laterally, and by the basilar membrane below —called also ductus cochlearis, scala media