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Flashcards in Finals: Ear Deck (34)
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What is the most probable source of endolymph

Stria vascularis

1

What ossicle is connected to the tympanic membrane

Malleus

2

What structure is associated with hairs & sebaceous & ceruminous glands

External Auditory Meatus

3

What surrounds tectorial membrane

Endolymph

4

What structure in the inner ear is composed primarily of calcium carbonate

Otolith

5

What area of the apex of the cochlea where scala vestibule & scala tympani connect

Helicotrema

6

What is located in the ends of the semicircular duct

Cristae ampullaris

7

What structure is located on the lateral wall of the cochlea

Stria vascularis

8

What ampullary gelatinous mass serves as an insertion of I & II cells

Cupola

9

What ossicle is connected to the oval window

Stapes

10

What structure in the organ of corti supports the inner and outer hair cells, cells of Henson, & the inner and outer phalangeal cells

Basilar membrane

11

Where is cochlea located

Inner ear

12

What structure is responsible for equalizing pressures

Eustachian tube

13

What membrane is associated with the utricle & saccule of the vestibule

Otolithic membrane

14

What fluid is found in the scala media

Endolymph

15

What structures may be found in each of the utricles & saccules

Maculae

16

What separates the cochlea from the semicircular canals

Vestibule

17

The varying width of what membrane allows the perception of different frequencies of sound

Basilar membrane

18

What structure connects the middle ear with the nasopharynx

Eustachian tube

19

What type of cartilage is found in the pinna

Elastic cartilage

20

What structure separates the middle and external ear meatus

Tympanic membrane

21

In what membrane, lying on one side of the inner spiral tunnel, are hair cells stereocilia located

Tectorial membrane

22

What membrane lies between the scala media & scala vestibule

Reissner's membrane

23

What structure separates are from perilymph

Oval window

24

Sensory hair cells of the cristae ampullaris are in contact withw hat gelatinous structure

Cupola

25

The circular canal all join at what structure

Vestibule

26

The osseous labyrinth is filled with what fluid

Perilymph

27

What fills the vestibule

Endolymph

28

The neuron of what ganglion innervate the organ of corti

Spiral ganglion

29

On what membrane does the organ of corti test

Basilar membrane

30

Changes in the linear acceleration are principally detected by what structure

Maculae

31

What structure serves to dampen sound and prevent sound reflection

Round window

32

The tensor tympani stapedius are what kind of muscle

Striated

33

What structure is related to the sensation of rotation

Cristae ampullaris