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6 Cards in this Set
- Front
- Back
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Pinna |
Function: collects sound waves and directs them to th ear through the ear cannal |
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Tympanic membrane |
Energy change occurs; from sound to mechanic. The sound waves cause it to vibrate |
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Ossicles |
(Malleus, incus, stapes) energy transfer occurs. |
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Oval window |
Energy travels. Vibrates as the ossicles amplify the sound. Energy change:from mechanical to electrical impulses Round window where energy also travels is straight after |
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Cochlea |
Fluid filled chamber tubes within the ear. Nerve fibres join up to form the auditory nerve which transmits impulses to the auditory complex |
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Organ of Corti |
Contains hair cells which detect different frquencies of sound. Cells nearest the oval window detect the highest frequencies. Cells along the membrane detect the lowest frequencies |
