Thoracic vertebra

There are a total of 12 thoracic vertebra.  All of them articulate with rib.  Their characteristics include:

  • The body is usually taller than they are wide.
  • The body has four demifacets on each side known as Superior and Inferior costal facets for articulating with the head of rib, except for T1, T10-T12.
  • Spinous process is long and point inferiorly.
  • Vertebral foramen is circular.
  • Transverse process contain a Transverse costal facet for ariculating with the tubercle of rib, except for T11-T12.
  • Articular facets face posteriorly and anteriorly.
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Superior view of a thoracic vertebra.  Annotated version here.  (Picture taken with a Hasselblad 120/4 on Aptus 65)
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Posterior view of a thoracic vertebra.  Annotated version here.  (Picture taken with RX1)
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Inferior view of a thoracic vertebra.  (Picture taken with RX1)
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Lateral view of a thoracic vertebra showing the transverse costal facet and the superior and inferior costal demi-facets.  (Picture taken with Hasselblad 120/4 on Aptus 65)
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Lateral view of a thoracic vertebra showing the transverse costal facet.  Annotated version here.  (Picture taken with RX1)

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