Occipital bone - inferior view

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4 Terms

1
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inion (external occipital protuberance)

L

  • is the prominent bump or protuberance at the inferoposterior portion of the skull.

<p>L</p><ul><li><p>is the <strong>prominent bump</strong> or protuberance <strong>at the inferoposterior</strong> portion of the skull.</p></li></ul><p></p>
2
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Squamous portion

M

  • external surface of the occipital bone presents a rounded part

  • forms most of the back of the head

<p>M</p><ul><li><p><strong>external surface</strong> of the <u>occipital bone</u> presents a rounded part</p></li><li><p>forms most of the back of the head</p></li></ul><p></p>
3
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foramen magnum

N

  • large opening at the base of the occipital bone

  • the spinal cord passes here

<p>N</p><ul><li><p><strong>large opening</strong> at the base of the occipital bone</p></li><li><p>the <strong>spinal cord passes</strong> here</p></li></ul><p></p>
4
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lateral condyle of occipital bone

O

  • are oval processes with convex surfaces

  • articulate with depressions on the first cervical vertebra, called the atlas = atlanto-occipital joint

<p>O</p><ul><li><p>are oval processes with convex surfaces</p></li><li><p><strong>articulate with </strong>depressions on the <strong>first cervical vertebra</strong>, called the atlas = <strong>atlanto-occipital joint</strong></p></li></ul><p></p>