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med term
structures of the ear/function
| Term | Definition |
|---|---|
| outer area of the ear (external) | transmits sound waves to the middle ear |
| middle area of the ear (tympanic cavity) | eardrum, transmits sound waves via waves of vibration |
| inner area of the ear (internal) | hearing and equilibrium |
| auricle (pinna) | shell shaped structure of the ear |
| auditory canal (external acoustic meatus) | canal that leads to tympanic membrane |
| cerumen | earwax |
| auditory ossicles | malleus-hammer, incus -anvil, stapes-stirrup (transmit vibrations for the eardrum to fluids of the inner ear) |
| eustachian tubes (auditory tube) | equalizes pressure |
| labyrinth | contains structures that control balance |
| cochlea | snail like structure that contains fluids that carry sound vibrations |
| vestibulocochlear nerve | auditory nerve |