Chapter 8 Vocabulary Flashcards

0
Q

Blind Shot

A

Point of entry of the optic nerve on the retina insensitive to light

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1
Q

Accommodation

A

Adaptation in response to differences or changing needs

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2
Q

Chemoreceptors

A

Receptor sensitive to various chemicals in solution

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3
Q

Choroid

A

The pigmented nutritive layer of the eye

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4
Q

Ciliary Body

A

Part of the eye that connects the iris to the choroid

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5
Q

Cochela

A

A cavity of the inner ear

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6
Q

Cornea

A

The transparent anterior portion of the eyeball

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7
Q

Crista Ampuraris

A

Sensory organ of rotation

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8
Q

Dynamic Equilibrium

A

Sense that reports an angular or rotatory movements of the head in space

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9
Q

Iris

A

The pigmented involuntary muscle that acts as the diaphragm of the eye

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10
Q

Labyrinth

A

Bony cavities and membranes of the inner ear that house the hearing and equilibrium receptors

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11
Q

Lens

A

The elastic, cloudy convex structure in the eye that focuses the light entering the eye on the retina

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12
Q

Mechanorecptors

A

Receptors sensitive to mechanical pressures such as touch, sound, contractions

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13
Q

Ossicles

A

The 3 bones of the middle ear: hammer( malleus, aniuil cincus, and stirrup staples

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14
Q

Photoreceptors

A

Specialized receptors cells that respond to light energy

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15
Q

Refraction

A

Bend light

16
Q

Retina

A

Light sensitive area of the eye

17
Q

Sclera

A

The firm white fibrous out layer of the eyeball

18
Q

Semicircular canals

A

3 fluid - filled bony channels in the inner ear

19
Q

Static equilibrium

A

Balance concerned with changes in the position of the head

20
Q

Taste buds

A

Receptors for taste on the tongue , roof if mouth, and pharynx

21
Q

Tympanic cavity

A

Ear drum

22
Q

Vestibule

A

A chamber of channel