Term
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Definition
| external structure located on both sides of the head. the auricle directs sound waves into the external auditory meatus |
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Term
| external auditory meatus [canal] |
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Definition
| short tube that ends at the tympanic membrane. the inner part lies within the temporal bone of the skull and contains the glands that secrete earwax[ cerumen] |
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Term
| tympanic membrane [eardrum] |
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Definition
| semitransparent membrane that separates the external auditory meatus and the middle ear cavity |
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Term
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Definition
| connects the middle ear and the pharynx. it equalizes air pressure on boths ides of the eardrum |
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Term
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Definition
| bones of the middle ear that carry soudn vibrations. the ossicles are composed of the malleus [hammer], incus [anvil], and stapes [stirrup]. the stapes connects to the oval window, which transmit the sound vibrations to the inner ear |
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Term
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Definition
| bony spaces within the temporal bone fo the skull. it contains the cochlea, semicircuclar canals, and vestibule |
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Term
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Definition
| is snail shaped and contains the organ of hearing. the cochlea connects tot he oval window in the middle ear |
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Term
| semicircular canals and vestibule |
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Definition
| contains receptors and endolymph that help the body maintain its sense of balance |
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Term
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Definition
| located in the skull bone behind the external auditory meatus |
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Term
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Definition
| benign tumor within the auditory canall growing from the acoustic nerve. may cause hearing loss |
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Term
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Definition
| tumor of a gland that secretes earwax [cerumen] |
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Term
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Definition
| chronic disease of the inner ear characterized by dizziness and ringing in the ear and hearing loss |
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Term
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Definition
| inflammation of the outer ear |
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Term
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Definition
| inflammation of the middle ear |
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Term
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Definition
| hearing impairment in old age |
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Term
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Definition
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Term
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Definition
| a sense that either one's own body or the enviroment is revolving. may indicate inner ear disease |
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