Term
| What are the 3 sections of the outer ear? |
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Definition
1. auricle or pinna
2. external auditory meatus
3. tympanic membrane |
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Term
| What are the 4 parts to the mmiddle ear? |
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Definition
1. tympanic cavity
2. auditory or eustachian tube
3. auditory ossicles (incus, malleus, and stapes)
4. oval and round windows |
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Term
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Definition
1. bony labyrinth
-vestibule
-semicircular canals
-cochlea
2. Membranous labyrinth
-utricle
-saccule
-semicircular ducts
-cochlear duct
-maculae
-cristae
-organ of corti |
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Term
| What embryological layers contribute to the formation of the ear? |
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Definition
All of them
Ectoderm - outer ear
Mesoderm - connective tissue and muscle elements
Endoderm - lining of the middle eear |
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Term
| The temporal bone surrounds which part of the ear? |
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Definition
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Term
| What does the auditory or eustachian tube do? |
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Definition
| It connects the nasopharynx to the tympanic cavity |
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Term
| Where is perilymph found? |
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Definition
|
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Term
| What are the parts of the bony labyrinth? |
|
Definition
1. vestibule
2. three semicircular canals
3. coiled cochlea |
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Term
| Where is endolymph found? |
|
Definition
| In the membranous labryinth |
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Term
| What part of the ear respons to changes in linear acceleration? |
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Definition
|
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Term
| What part of the ear responds to changes in angular momentum? |
|
Definition
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Term
| Which part responds to sound waves? |
|
Definition
|
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Term
| The crista ampullaris is located in which part of the membranous labyrinth? |
|
Definition
| ampullae of semicircular ducts |
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