Ear & Eye Structures & Functions Flashcards by Marietess Madrazo

Q

Auricle

A

Collects Sound

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Q

External Auditory Canal

A

Transports Sound

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Q

Tympanic Membrane

A

Vibration

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Q

Ossicles - Malleus, Incus, Stapes

A

Amplifies Sound (transmits sounds)

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Q

Oval Window

A

Transports Vibrations to Cochlea

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Q

Cochlea

A

Hearing (Sound)

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Q

Vestibulocochlear Nerve (CN VIII)

A

Sends information to the Brain

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Q

Auditory Tube (pharyngotympanic tube or Eustachian tube)

A

Equalizes Pressure

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Q

Vestibule

A

Static Balance

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Q

Semicircular Canal

A

Head Rotation (Movement Balance)

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Q

Extrinsic Eye Muscle

A

Anchors Eye in Place

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Q

Lacrimal Gland

A

Produces Lacrimal Fluid (tears)

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Q

Sclera

A

Protection & Shape

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Q

Cornea

A

Lets Light In (Protects)

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Q

Iris

A

Changes Diameter of Eye

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Q

Pupil

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A

Regulates Light Entering Eye

Q

Lens

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A

Focuses Light

Q

Ciliary Body

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A

Changes Lens Shape

Q

Suspensory Ligaments

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A

Holds Lens in Place

Q

Vitreous Humor (transparent)

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A

Maintains Shape

Q

Retina

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A

Detects Light

Q

Optic Disc

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A

Blind Spot

Q

Macula Luteal / Fovea Centralis

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A

Central Vision

Q

Choroid Coat

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A

Primary Blood Supply & Absorbs Light

Optic Nerve

Sends Visual Info to Brain