Internal Ear Biology Definition. Semicircular ducts - filled with fluid. The bony labyrinth a cavity in the temporal bone is divided into three sections.
The pinna is. Cochlea - spiral-shaped organ of hearing. The internal ear is an essential part of the auditory and vestibular system consisting of cavities and canals where eventually sound waves are converted into electrical impulses.
What does internal ear mean.
The inner ear includes. Oval window - connects the middle ear with the inner ear. The inner ear receives vibrations that have been amplified and transmitted from the ear canal and through the malleus incus and stapes. The vestibular apparatus consisting of the vestibule and semicircular canals which contains the sensory organs of postural equilibrium.