ears Flashcards

(16 cards)

1
Q

The Inner Ear is involved with

A

balance and equilibrium

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2
Q

Mechanoreceptors

A

receptors that respond
to physical forces

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3
Q

Pinna

A

collects and directs sound waves

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4
Q

hair cells

A

converting the mechanical vibrations into electrical signals. They transmit this information via the auditory nerve to the brain for interpretation.

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5
Q

tympanic membrane

A

vibrates as sound waves hit it and transmits the vibrations to the ossicles

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6
Q

External Acoustic Meatus – (external auditory canal)

A

carved into the temporal bone
its skin lined walls contain the ceruminous
glands that secrete earwax also called cerumen

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7
Q

Eustachian Tube

A

connects the ear with the throat or the (Pharyngotympanic Tube or Auditory
Tube)

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8
Q

Otitis Media

A

infection of the middle ear
Middle Ear

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9
Q

Oval Window

A

membrane covered opening
under Stapes.

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10
Q

Round Window

A

membrane covered
opening in the vestibule

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11
Q

inner ear subdivisions

A
  1. Cochlea
  2. Vestibule
  3. Semicircular Canals
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12
Q

Static

A

pull of gravity when the body not moving helps tell down
and up -vestibule

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13
Q

Dynamic

A

responds to angular or rotatory movements
- semicircular canals

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14
Q

What large nerve leaves the back of the ear

A

Vestibulocochlear Nerve/ Auditory Nerve

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15
Q

What is the function of the auditory tube

A

Equalize pressure in the ear

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16
Q

Which lobe is responsible for hearing ( and smell )?