Three fluid-filled bony channels in the inner ear. They are situated at right angles to each other and provide information about orientation to the brain to help maintain balance.
More example sentences
- The unique semicircular canals of the inner ear continuously inform the brain of the head and body's position.
- Apart from the sound-processing faculty our ears also include the labyrinth, an intricate set of fluid-filled semicircular canals that provide information for our three-dimensional sense of equilibrium.
- The pathology usually lies in the posterior semicircular canal of the inner ear.
Definition of semicircular canals in:
- The British & World English dictionary