Semicircular Canal

Semicircular canals are three small tubes, closed loop projecting from the front of the inner ear, three semicircular shape: the previous channel, horizontal and then. Each has a diameter of about 0.8 mm and is filled with a fluid called endolymph. The role of the semicircular canals is to maintain balance and spatial orientation, the sensory cells of the hair, which is related to the vestibular nerve fibers that transmit impulses to the brain via the auditory nerve.