EXTERNAL AUDITORY CANAL
The pinna is the cartilage of the ear; it acts as a funnel to capture the sound.
The function of the auditory tube is to equalize the pressure of the middle ear and the outside air, so the ear bones can vibrate.
MALLEUS (hammer). The malleus vibrates the incus
INCUS (anvil). Vibrates the stapes
STAPES (stirrup). Their function is to amplify sound vibrations.
The temporal bone (petrious portion).
Bony Labyrinth is filled with PERILYMPH
1. Semicircular Canals
Cochlea and Semicircular Canals
Hearing and equilibrium
CN VIII VESTIBULAR COCHLEAR NERVE
UTRICLE and the SACCULE.
Endolymph and hair cells.
OTOLITHS (“ear rocks”).
It allows the hair cells in this region to act as receptors by telling you what position your head is in and provide you a sense of equilibrium.
Inflammation of the semi-circular canals that give a sense of motion when you’re not moving. This can be debilitating.