Temporal bone - lateral view

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11 Terms

1
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parietal bone

A

  • The lateral walls of the cranium and part of the roof 

  • are roughly square and have a concave internal surface.

<p>A</p><ul><li><p>The<strong> lateral walls of the cranium</strong> and part of the roof&nbsp;</p></li><li><p>are roughly square and have a concave internal surface.</p></li></ul><p></p>
2
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frontal bone

Q

  • the bone of the calvarium that is most readily visible

  • This bone contributes to the formation of the forehead and the superior part of each orbit

<p>Q</p><ul><li><p>the bone of the calvarium that is <strong>most readily visible</strong></p></li><li><p class="p1">This bone contributes to the <u>formation</u> of the <strong>forehead</strong> and the <strong>superior part of each orbit</strong></p></li></ul><p></p>
3
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sphenoid bone

R

  • forms the anchor for all eight cranial bones

<p>R</p><ul><li><p><span>forms the </span><strong>anchor for all eight cranial bones</strong></p></li></ul><p></p>
4
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zygomatic arch

S

  • formed by zygomatic process + zygomatic bone

  • easily palpated

<p>S </p><ul><li><p>formed by <strong>zygomatic process + zygomatic bone</strong></p></li><li><p>easily palpated</p></li></ul><p></p>
5
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TMJ + temporomandibular fossa

T

  • Inferior to the zygomatic process and just anterior to the EAM

<p>T</p><ul><li><p>Inferior to the zygomatic process and just anterior to the&nbsp;EAM</p></li></ul><p></p>
6
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styloid process

U

  • Projecting inferior to the mandible and anterior to the EAM

  • slender bony projection

<p>U</p><ul><li><p>Projecting inferior to the mandible and anterior to the EAM </p></li><li><p><strong>slender bony projection</strong></p></li></ul><p></p>
7
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EAM

V

  • is the opening or canal of the external ear. 

  • 2.5 cm long

<p>V</p><ul><li><p>is the <strong>opening or canal</strong> of the <strong>external ear</strong>.&nbsp;</p></li><li><p><strong>2.5</strong> <strong>cm</strong> long</p></li></ul><p></p>
8
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mastoid tip

W

  • where many air cells are located 

<p>W</p><ul><li><p>where many <strong>air cells are located&nbsp;</strong></p></li></ul><p></p>
9
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mastoid portion

X

  • Temporal bone portion

  • Area posterior to the EAM

<p>X</p><ul><li><p>Temporal bone portion</p></li><li><p>Area posterior to the EAM</p></li></ul><p></p>
10
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occipital bone

Y

  • The inferoposterior portion of the calvarium (skullcap)

<p>Y</p><ul><li><p>The<strong> inferoposterior </strong>portion of the calvarium (skullcap)</p></li></ul><p></p>
11
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temporal bone

Z

  • are complex structures that house the delicate organs of hearing and balance

<p>Z</p><ul><li><p>are complex structures that <strong>house the delicate organs of hearing and balance</strong></p></li></ul><p></p>