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semicircular canals
semicircular canals Semicircular canals are three canals in the bony labyrinth of the inner ear: anterior, posterior, and lateral.
Semicircular canals are three canals in the bony labyrinth of the inner ear: anterior, posterior, and lateral. They are arranged at right angles to one another, lie behind and above the vestibule, and contain the semicircular ducts.