EXS 331 Lab - Ribs, Sternum & Vertebrae

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42 Terms

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Atlas

first cervical vertebra

-oval like, allows for yes head motion

<p>first cervical vertebra</p><p>-oval like, allows for yes head motion</p>
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anterior tubercle of atlas

serves as site of attachment for cervical ligaments and muscles

<p>serves as site of attachment for cervical ligaments and muscles</p>
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superior articular facet of atlas

articulates with occipital condyle

<p>articulates with occipital condyle</p>
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transverse process of atlas

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transverse foramen of atlas

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posterior tubercle of atlas

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inferior articular facet of atlas

articulates with axis, round

<p>articulates with axis, round</p>
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Fovea Dentis of the Atlas

articulates with the dens of the axis

<p>articulates with the dens of the axis</p>
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groove for vertebral artery of atlas

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axis

C2, allows for "no" head motion

<p>C2, allows for "no" head motion</p>
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dens of axis

projects superiorly into the anterior arch of the atlas and is the pivot for the rotation of the atlas

<p>projects superiorly into the anterior arch of the atlas and is the pivot for the rotation of the atlas</p>
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superior articular facets of axis

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inferior articular facets of axis

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spinous process of axis

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transverse process of axis

lateral projections

<p>lateral projections</p>
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transverse foramen of axis

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sacrum

5 fused vertebrae

<p>5 fused vertebrae</p>
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coccyx

tailbone, 4 fused bones

<p>tailbone, 4 fused bones</p>
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head of rib

posterior end of a rib that articulates with the bodies of thoracic vertebrae

<p>posterior end of a rib that articulates with the bodies of thoracic vertebrae</p>
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articular tubercle of rib

articulates with transverse process of vertebrae

<p>articulates with transverse process of vertebrae</p>
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angle of rib

The point at which the rib begins to curve forward

<p>The point at which the rib begins to curve forward</p>
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articular surfaces of rib

smooth area on the tubercle

<p>smooth area on the tubercle</p>
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shaft (body) of rib

main part of rib

<p>main part of rib</p>
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sternum

breastbone, articulates with clavicle

<p>breastbone, articulates with clavicle</p>
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manubrium

upper portion of the sternum

<p>upper portion of the sternum</p>
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body of sternum

middle portion of the sternum

<p>middle portion of the sternum</p>
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xiphoid process

lower, narrow portion of the sternum

<p>lower, narrow portion of the sternum</p>
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jugular notch (suprasternal notch)

central indentation in superior border of manubrium

<p>central indentation in superior border of manubrium</p>
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clavicular notch

Site where manubrium articulates with the clavicles

<p>Site where manubrium articulates with the clavicles</p>
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body of vertebrae

the thick, disc-shaped anterior portion which is the weight bearing portion

<p>the thick, disc-shaped anterior portion which is the weight bearing portion</p>
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pedicle of vertebrae

make up the arch

<p>make up the arch</p>
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transverse process

two lateral projections from the vertebral arch

<p>two lateral projections from the vertebral arch</p>
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lamina

part of the vertebral arch

<p>part of the vertebral arch</p>
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spinous process

sharp, slender projection

<p>sharp, slender projection</p>
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vertebral foramen

canal through which spinal cord passes

<p>canal through which spinal cord passes</p>
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superior articular process and facet

Process projecting superiorly from the lamina-pedicle junction. Articular facet faces posteriorly and superiorly.

<p>Process projecting superiorly from the lamina-pedicle junction. Articular facet faces posteriorly and superiorly.</p>
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inferior articular process and facet

joins with vertebra below

<p>joins with vertebra below</p>
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inferior vertebral notch

in the pedicle of the upper vertebra

<p>in the pedicle of the upper vertebra</p>
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superior vertebral notch

indentation of the superior edge of pedicle

<p>indentation of the superior edge of pedicle</p>
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Cervical Vertebrae (C1-C7)

- The smallest and lightest vertebrae

- The first two are the atlas and axis

-spinous process may split

<p>- The smallest and lightest vertebrae</p><p>- The first two are the atlas and axis</p><p>-spinous process may split</p>
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Thoracic Vertebrae (T1-T12)

long, narrow spinous process that points out posteriorly, looks like a giraffe

<p>long, narrow spinous process that points out posteriorly, looks like a giraffe</p>
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Lumbar Vertebrae (L1-L5)

spinous process points out more laterally, looks like a moose

<p>spinous process points out more laterally, looks like a moose</p>