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Lab 3. Brain, Ear, Eye > Ear > Flashcards

Ear Flashcards

1
Q

Auricle/Pinna

A

Funnels sound waves/ vibrations to the ear drum

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2
Q

Tympanic membrane

A

Separates outer ear from inner ear; carries sound waves to the bones of inner ear

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3
Q

Malleus, incus and stapes

A

Middle ear ossicles that transmit vibrations from the eardrum/outer ear to the inner ear

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4
Q

Pharyngotympanic tube

A

Controls the air pressure within the middle ear

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5
Q

Osseous labyrinth

A

Houses the senses of balance and hearing

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6
Q

Perilymph

A

Cushion of fluid between the bony and membranous labyrinths; helps maintain hearing and balance

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7
Q

Membranous labyrinth

A

Houses receptors for hearing and balance

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8
Q

Endolymph

A

Within the membranous labyrinth; responsible for hearing and balance

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9
Q

Cochlea

A

Organ of hearing; receives and analyzes sound

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10
Q

Scala vestibule

A

Filled with perilymph; receives sound waves and causes a distortion in part of the basilar membrane

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11
Q

Scala tympani

A

Filled with perilymph; helps convert sound waves into liquid movement

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12
Q

Vestibular membrane

A

Transmits sound waves from fluid in the vestibular duct to the cochlear duct

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13
Q

Cochlear duct

A

Filled with endolymph; separates Scala vestibule and Scala tympani

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14
Q

Basilar membrane

A

Supports hair cells

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15
Q

Hair cells

A

Responsible for hearing, body position and motion

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16
Q

Tectorial membrane

A

Stationary membrane that plays a role in stimulation of hair cells

17
Q

Utricle

A

Responsible for static equilibrium and linear acceleration

18
Q

Saccule

A

Responsible for static equilibrium and linear acceleration

19
Q

Macula

A

Detects vertical linear acceleration

20
Q

Semicircular canals

A

Ampula, crista ampullaris, cupula; regulates balances and senses head position

21
Q

Oval window

A

Where the inner ear begins; holds the base of the stapes

22
Q

Round window

A

Where the Scala tympanic ends; allows activation of auditory receptors

Lab 3. Brain, Ear, Eye (5 decks)

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