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Flashcards in Sensory - Ear Deck (11)
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1
Q

What is the function of the eardrum?

A

Thin layer of tissue that receives sound vibrations and transmits them to ossicles

2
Q

What is the function of the stapes?

A

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

3
Q

What is the function of the incus?

A

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

4
Q

What is the function of the malleus?

A

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

5
Q

What is the function of the cochlea?

A

Contains jelly like fluid that carries vibrations - converted to neural messages

6
Q

What is the function of the organ of corti?

A

Cochela lined with rows of hair cells - convert the sound vibrations to nerve impulses

7
Q

What is the function of the eustachian tube?

A

Equalises pressure in ear

8
Q

What is the function of the round window?

A

A drum-like membrane - vibrations from tiny bones pass through to cochlea

9
Q

What is the function of the auditory nerve?

A

Bundle of nerve fibres that carry hearing info to brain

10
Q

What is the function of the semi-circular canals?

A

Act as motion sensor helping balance - contain fluids

11
Q

What is the function of the ampullae?

A

Small hairs that bend when moved and send message to brain for balance