For 10 points, name this organ also known as the "inner ear."
This organ is divided into the scala media, scala tympani, and scala vestibuli (ves-TIB-you-lee). Vibrations on the basilar membrane in this structure are transduced into electrical stimuli by this organ's inner hair cells, which are located in the Organ of Corti (CORE-tee). This snail-shaped organ is the primary sense organ of hearing. For 10 points, name this organ also known as the "inner ear."
This organ is divided into the scala media, scala tympani, and scala vestibuli (ves-TIB-you-lee).
{cochlea} [or inner ear before mentioned]