The ganglia, one on the hay. and one on the left. side, contains the cell bodies (bipolar) of the nerve fibers that form the balance nerve (nervus vestibularis
) and that come from the three semicircular canals (ductus semicirculares, one anterior, one outer and one posterior) and the membrane sacs (sacculus and utriculus). The ganglia is located in the internal auditory canal (meatus acusticus internus).