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Chapter 10 Lab Flashcards > General and Special Senses > Flashcards

General and Special Senses Flashcards

1
Q

Cornea

A

Anterior clear covering that allows light to enter the eye; refract light

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2
Q

Iris

A

Colored portion of eye that regulates amount of light entering eye

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3
Q

Pupil

A

Hole in center of the iris where light enters

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4
Q

lens

A

Biconvex structure that functions to refract light

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5
Q

Scerla

A

Connective tissue layer that gives eye shape

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6
Q

Choroid

A

High vascular layer that absorbs lights

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7
Q

Ciliary body

A

Secretes aqueous humor; contains ciliary muscle which alters lens shape

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8
Q

Retina

A

Layer contains photoreceptor

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9
Q

Fovea Centralis

A

Area of high visual acuity

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10
Q

Optic Nerve

A

Cranial nerve that transmit visual light

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11
Q

Lacrimal Gland

A

Secretes fluid (tears) to lubricate and cleanse eye

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12
Q

Rectus Muscle

A

group of muscles which move or roll eyeball

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13
Q

Aqueous Humor

A

Fluid in anterior region that nourishes lens and cornea

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14
Q

Vitreous Humor

A

Nonreplenished fluid in posterior region that maintains eye shape and holds retina in place

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15
Q

Superior rectus

A

Cranial nerve 3 - oculor motor

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16
Q

Intferior rectus

A

Cranial nerve 3 - oculor motor

17
Q

Medial Rectus

A

Cranial nerve 3 - oculor motor

18
Q

Lateral rectus

A

Cranial Nerve 6 - Adunces

19
Q

Superior oblique

A

Cranial Nerve 4 - Trochlear

20
Q

Inferior oblique

A

Cranial Nerve 3 - Oculor Motor

21
Q

Pinna (auricle)

A

Funnels sounds waves into ear

22
Q

External Auditory Canal

A

Transmits sounds waves to tympanic membrane; secretes cerumen - earwax

23
Q

Tympanic membrane

A

Converts sounds waves to vibrations

24
Q

Ossicles ( Malleus, Incus, Stapes)

A

conduct vibrations through middle ear

25
Q

Eustachian tube

A

equalizes pressure between middle ear and atmosphere

26
Q

Semicircular canals

A

equilibrium (dynamic equilibrium)

27
Q

Hair cells

A

hearing receptors

28
Q

Vestibulocochlear Nerve

A

conducts actions potential to brain

Chapter 10 Lab Flashcards (3 decks)

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