Thoracic Vertebrae
Thoracic Vertebrae The thoracic spine is part of the vertebral column that supports the chest area and provides posterior attachment for the ribs, some thoracic wall muscles, muscles of the upper limb abdomen and back. The thoraci spine lies between the cervical spine superiorly and the lumbar spine inferiorly. It consists of 12 thoracic vertebrae that are in some ways distinct from vertebrae found in other regions of the vertebral column Bodies The bodies of the thoracic vertebrae are medium sized and heart shaped. They are all weight bearing and generally increase in size from up downwards with an increase in the amount of weight that needs to be supported. The heads possess articular facets on their sides for articulation with the heads of the ribs Pedicles These project from the posterolateral surfaces of the bodies of the ribs and meet posteriorly with the laminae. The pedicles and laminae on either side form the neural arch which together with the posterior surfac...
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