The Senses Vocab Flashcards

1
Q

Auricle

A

An epidermal covered cartilage structure which functions in funneling sound vibrations into the
external auditory meatus

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2
Q

External auditory meatus

A

A bony canal which carries sound waves to the tympanic membrane and has
various protective structures

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3
Q

Tympanic membrane

A

A thin membrane of epithelium which transduces air vibrations into mechanical
vibrations on the way to the inner ear.

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4
Q

Tympanic cavity

A

An air filled chamber within the ear in which the auditory ossicles are located

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5
Q

Auditory ossicles

A

?

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6
Q

Oval window

A

A structure of the inner ear which articulates with the stapes and transduces mechanical
vibrations into liquid waves as they enter the cochlea

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7
Q

Labyrinth

A

A bony or membranous chamber or maze which makes up all structures within the inner ear

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8
Q

Cochlea

A

Portion of the inner ear which houses the organs of Corti. Organ which enables us to hear.

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9
Q

Semicircular canals

A

bony labyrinth structures of the inner ear which provide us with the sense of
dynamic equilibrium

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10
Q

Vestibule

A

The area of the inner ear which houses the organs of static equilibrium

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11
Q

Round window

A

A small area of the inner ear in which waves exiting the scala tympanii of the cochelea
can be dissipated into the tympanic chamber

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12
Q

Organs of Corti

A

Microscopic hair-like sound receptors which are stimulated by various frequencies of
sound waves

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13
Q

Conjunctiva

A

A clear thin transparent membrane which lines the eyelid and the anterior surface of the eye expect the cornea

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14
Q

Lacrimal gland

A

Organ which produces a substance made of water, mucous, salts, and lysozyme

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15
Q

Cornea

A

Tough transparent covering over the anterior 1/6th of the eye which allows light to enter

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16
Q

Sclera

A

The outer covering of there posterior 5/6ths of the eye composed of fibrous connective tissue

17
Q

Choroid

A

The black middle layer of the eye which contains blood vessles

18
Q

Ciliary body

A

Structures of the eye which function in focusing the eye made up of the lens, ciliary muscles, and suspensory ligaments

19
Q

Lens

A

A clear membrane like structure which is very elastic and refracts light upon the retina

20
Q

Aqueous humor

A

A clear fluid filling the anterior cavity of the eye which nourishes the cornea and other internal parts

21
Q

Vitreous humor

A

A clear jelly like liquid which fulls the posterior cavity of the eye

22
Q

Accommodation

A

The ability of the ciliary muscles to change the shape of the lens, allowing clear focus at different focal lengths

23
Q

Iris

A

A sphincter muscle which controls the amount of light that enters the eye

24
Q

Optic disk

A

The point on the retina in which the optic nerve exits the eye and there are no photoreceptors at this point

25
Q

Refraction

A

The bending of light rays as they pass through one medium into another

26
Q

Myopia

A

A vision defect in which the eye is too long for correct focus

27
Q

Hyperopia

A

A vision detect in which is too short for correct focus

28
Q

Retina

A

The innermost layer of the posterior cavity of the eye. It is made up of millions of photoreceptors

29
Q

Rods

A

Photoreceptors which function in black and white vision

30
Q

Cones

A

Specialized photoreceptors which are responsible of color vision

31
Q

Astigmatism

A

A defect in the curvature of the cornea or sometimes the lens

32
Q

Presbyopia

A

A loss in the ability to focus on near objects due to the loss. of elasticity in the lens