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the ear
description of the parts and functions of the human ear
Term | Definition |
---|---|
Eustachian Tube | A narrow tube between the middle ear and the nose that serves to equalize pressure on both sides of the ear. |
Ear Canal | A pathway that takes vibration to the ear drum. |
Eardrum | Tympanic membrane (eardrum) a small thin membrane that vibrates when sound hits it. |
Auricle(earlobe) | This directs outside sounds to the ear canal. |
Cochlea | Snail shaped chamber within the inner ear,changes the vibrations from the bones into electrical signals. |
Auditory Nerve | This is how the brain gets electrical messages from the inner ear to the brain. |
Incus(anvil) | One of the three small bones in the middle ear which increase or decrease vibrations from the ear drum. |
Stapes(Stirrup=one of the 3 small bones in the middle ear which increase or decrease vibrations from the ear drum | |
Semicircular Canals=This are responsible for keeping you upright, maintaining balance | |
Malleus(Hammer)=one of the 3 small bones in the middle ear which increase or decrease vibrations from the ear drum |