A&P II Practical 2

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Last updated 2:03 AM on 7/8/26
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41 Terms

1
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Sclera

White of the eye. Provides protection and form.

<p>White of the eye. Provides protection and form.</p>
2
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Cornea

The transparent layer forming the front of the eye. It functions like a window that controls and focuses the entry of light into the eye.

<p>The transparent layer forming the front of the eye. It functions like a window that controls and focuses the entry of light into the eye.</p>
3
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Choroid

middle, vascular layer of the eye, between the retina and the sclera. provides oxygen and nourishment to the outer layers of the retina.

<p>middle, vascular layer of the eye, between the retina and the sclera. provides oxygen and nourishment to the outer layers of the retina.</p>
4
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Iris

A ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening

<p>A ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening</p>
5
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Ciliary Body

Structure surrounding the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor.

<p>Structure surrounding the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor.</p>
6
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Sensory Tunic (retina)

(two- layered) Outer layer stores vitamin A for photoreceptor cells, Inner layer contains all the photoreceptor cells

<p>(two- layered) Outer layer stores vitamin A for photoreceptor cells, Inner layer contains all the photoreceptor cells</p>
7
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Optic Disc

Region at the back of the eye where the optic nerve meets the retina. It is the blind spot of the eye because it contains only nerve fibers, no rods or cones, and is thus insensitive to light.

<p>Region at the back of the eye where the optic nerve meets the retina. It is the blind spot of the eye because it contains only nerve fibers, no rods or cones, and is thus insensitive to light.</p>
8
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Vitreous Body / Vitreous Humor

Is the clear gel that fills the space between the lens and the retina of the eye. It doesn't replace once lost. Gel-like fluids inside the eye help it maintain its shape, which plays an important role in overall eye health.

<p>Is the clear gel that fills the space between the lens and the retina of the eye. It doesn't replace once lost. Gel-like fluids inside the eye help it maintain its shape, which plays an important role in overall eye health.</p>
9
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Aqueous humor

Fluid produced by the ciliary body and found in the anterior chamber. Replaces when lost. As well as nourishing the cornea and the lens by supplying nutrition such as amino acids and glucose, the aqueous humour will: Maintain intraocular pressure. Transport vitamin C in the front segment to act as an antioxidant agent

<p>Fluid produced by the ciliary body and found in the anterior chamber. Replaces when lost. As well as nourishing the cornea and the lens by supplying nutrition such as amino acids and glucose, the aqueous humour will: Maintain intraocular pressure. Transport vitamin C in the front segment to act as an antioxidant agent</p>
10
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Lens

The transparent structure behind the pupil that changes shape to help focus images on the retina

<p>The transparent structure behind the pupil that changes shape to help focus images on the retina</p>
11
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Lacrimal Gland

gland located in the upper outer region above the eyeball that secretes tears. produces tears which then flow into canals that connect to the lacrimal sac.

<p>gland located in the upper outer region above the eyeball that secretes tears. produces tears which then flow into canals that connect to the lacrimal sac.</p>
12
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Auricle (Pinna)

external portion of the ear

<p>external portion of the ear</p>
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Tympanic Membrane

The eardrum. A structure that separates the outer ear from the middle ear and vibrates in response to sound waves.

<p>The eardrum. A structure that separates the outer ear from the middle ear and vibrates in response to sound waves.</p>
14
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Malleus

a small bone in the middle ear that transmits vibrations of the eardrum to the incus.

<p>a small bone in the middle ear that transmits vibrations of the eardrum to the incus.</p>
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Incus

middle of the three auditory ossicles of the middle ear

<p>middle of the three auditory ossicles of the middle ear</p>
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Stapes

stirrup; last of the three auditory ossicles of the middle ear

<p>stirrup; last of the three auditory ossicles of the middle ear</p>
17
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Oval (vestibular) window

covered by the base of the stapes; where mechanical vibrations enter the inner ear

<p>covered by the base of the stapes; where mechanical vibrations enter the inner ear</p>
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Round (cochlear) window

Covered by the secondary tympanic membrane. Acts as an outlet for pressure waves created in the fluid of the inner ear by movement of the stapes in response to sound.

<p>Covered by the secondary tympanic membrane. Acts as an outlet for pressure waves created in the fluid of the inner ear by movement of the stapes in response to sound.</p>
19
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Eustachian tube

The primary function is to ventilate the middle ear space, ensuring that its pressure remains at near normal environmental air pressure. The secondary function is to drain any accumulated secretions, infection, or debris from the middle ear space.

<p>The primary function is to ventilate the middle ear space, ensuring that its pressure remains at near normal environmental air pressure. The secondary function is to drain any accumulated secretions, infection, or debris from the middle ear space.</p>
20
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Cochlea

A coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses.

<p>A coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses.</p>
21
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Semicircular Canals

passages in the inner ear associated with maintaining equilibrium

<p>passages in the inner ear associated with maintaining equilibrium</p>
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Sclera

What part of the eye is this? (White portion of the eye)

<p>What part of the eye is this? (White portion of the eye)</p>
23
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Cornea

What part of the eye is this?

<p>What part of the eye is this?</p>
24
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Choroid

What part of the eye is this? (Brown Covering)

<p>What part of the eye is this? (Brown Covering)</p>
25
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Iris

What part of the eye is this? (Colored portion of the eye)

<p>What part of the eye is this? (Colored portion of the eye)</p>
26
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Lens

What part of the eye is this?

<p>What part of the eye is this?</p>
27
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Vitreous Humor

What part of the eye is this?

<p>What part of the eye is this?</p>
28
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Macula

What part of the eye is this? (Purple Dot)

<p>What part of the eye is this? (Purple Dot)</p>
29
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Optic Nerve

What part of the eye is this?

<p>What part of the eye is this?</p>
30
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Retina

What tan area of the eye is this?

<p>What tan area of the eye is this?</p>
31
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Optic Disc

What region of the eye is this?

<p>What region of the eye is this?</p>
32
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Ciliary Muscle

What part of the eye is this?

<p>What part of the eye is this?</p>
33
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Auricle (A.K.A. Pinna)

What part of the ear is this?

<p>What part of the ear is this?</p>
34
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Malleus

What part of the ear is this? Hint: MISO - (Part Of Auditory Ossicles)

<p>What part of the ear is this? Hint: MISO - (Part Of Auditory Ossicles)</p>
35
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Incus

What part of the ear is this? Hint: Miso - (Part Of Auditory Ossicles)

<p>What part of the ear is this? Hint: Miso - (Part Of Auditory Ossicles)</p>
36
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Stapes

What part of the ear is this? Hint: MISO - (Cover The Oval Window & Also Part Of The Auditory Ossicles)

<p>What part of the ear is this? Hint: MISO - (Cover The Oval Window &amp; Also Part Of The Auditory Ossicles)</p>
37
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auditory tube

What part of the ear is this?

<p>What part of the ear is this?</p>
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Semicircular Canals

What part of the ear is this?

<p>What part of the ear is this?</p>
39
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Oval Window

What is the Stapes covering?

<p>What is the Stapes covering?</p>
40
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Round Window

What are of the ear is this?

<p>What are of the ear is this?</p>
41
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Cochlea

What part of the ear is this?

<p>What part of the ear is this?</p>