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Histology > Finals: Ear > Flashcards

Finals: Ear Flashcards

0
Q

What ossicle is connected to the tympanic membrane

A

Malleus

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1
Q

What is the most probable source of endolymph

A

Stria vascularis

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2
Q

What structure is associated with hairs & sebaceous & ceruminous glands

A

External Auditory Meatus

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3
Q

What surrounds tectorial membrane

A

Endolymph

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4
Q

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

A

Otolith

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5
Q

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

A

Helicotrema

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6
Q

What is located in the ends of the semicircular duct

A

Cristae ampullaris

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7
Q

What structure is located on the lateral wall of the cochlea

A

Stria vascularis

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8
Q

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

A

Cupola

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9
Q

What ossicle is connected to the oval window

A

Stapes

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10
Q

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

A

Basilar membrane

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11
Q

Where is cochlea located

A

Inner ear

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12
Q

What structure is responsible for equalizing pressures

A

Eustachian tube

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13
Q

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

A

Otolithic membrane

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14
Q

What fluid is found in the scala media

A

Endolymph

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15
Q

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

A

Maculae

16
Q

What separates the cochlea from the semicircular canals

A

Vestibule

17
Q

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

A

Basilar membrane

18
Q

What structure connects the middle ear with the nasopharynx

A

Eustachian tube

19
Q

What type of cartilage is found in the pinna

A

Elastic cartilage

20
Q

What structure separates the middle and external ear meatus

A

Tympanic membrane

21
Q

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

A

Tectorial membrane

22
Q

What membrane lies between the scala media & scala vestibule

A

Reissner’s membrane

23
Q

What structure separates are from perilymph

A

Oval window

24
Q

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

A

Cupola

25
Q

The circular canal all join at what structure

A

Vestibule

26
Q

The osseous labyrinth is filled with what fluid

A

Perilymph

27
Q

What fills the vestibule

A

Endolymph

28
Q

The neuron of what ganglion innervate the organ of corti

A

Spiral ganglion

29
Q

On what membrane does the organ of corti test

A

Basilar membrane

30
Q

Changes in the linear acceleration are principally detected by what structure

A

Maculae

31
Q

What structure serves to dampen sound and prevent sound reflection

A

Round window

32
Q

The tensor tympani stapedius are what kind of muscle

A

Striated

33
Q

What structure is related to the sensation of rotation

A

Cristae ampullaris

Histology (28 decks)

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