Term
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Definition
- the fleshy part of the ear attached to the side of the head
- covereed by skin
- composed of elastic cartilage, fat, and fibrous tissue
- collects sound waves and channels them into the external auditory canal
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Term
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Definition
- 2.5 cm long
- leads from the pinna to the tympanic membrane (eardrum) of the middle ear
- lateral half is surrounded by soft tissue
- medial half is encased in the temporal bone of the skull
- lined with skin
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Term
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Definition
- later wall of the middle ear
- eardrum
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Term
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Definition
- tiny bones
- transfer sound waves from the tympanic membrane to the inner ear
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Term
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Definition
- opening between the middle ear and the inner ear
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Term
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Definition
- runs medially and inferiorly from the tympanic cavity of the middle ear to the nasopharync.
- enables air to enter or leave the middle ear in order to normalize air pressure within the tympanic cavity
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Term
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Definition
- hearing part of the inner ear
- snail-like hollow tube coiled upon itself for 2.5 turns
- captures sound waves and converts them into nerve impuleses
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Term
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Definition
- a strip of tall receptor cells with cilia that detect sound waves
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Term
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Definition
- where hair cells perch
- moves in relation to the tectorial membrane in order to allow the hair-cell tips to flex back and forth with each wave
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Term
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Definition
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Term
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Definition
- tips of hair cells are embedded
- move in relation to basal membrane
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