내이의 달팽이관 내부에 있는 나선형의 통로 또는 계단 모양의 구조.
Any of the three spiral-shaped canals or passages within the cochlea of the inner ear.
예문:
"The scala vestibuli and scala tympani are filled with perilymph to conduct sound waves."
"The organ of Corti is located within the scala media, which contains endolymph."