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Anatomy of the Axial Skeleton: Vertebral Column and Thoracic Structure

This comprehensive overview covers the anatomy of the axial skeleton, focusing on the vertebral column and thoracic structures. It details the main components such as cervical, thoracic, and lumbar vertebrae, their unique features like bifid processes, transverse foramina, and the dens of the axis (C2). Additionally, the description includes the anatomy of the thorax, highlighting true and false ribs, the sternum's structure, and the significance of the costal facets and intervertebral disks.

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Anatomy of the Axial Skeleton: Vertebral Column and Thoracic Structure

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Presentation Transcript

  1. Axial SkeletonVertebral ColumnThorax

  2. Vertebral Parts transverse process costal facet (thoracic only) Superior facets vertebral foramen body Inferior facets spinous process

  3. Cervical Vertebrae bifid process Dens (odontoid process) transverse foramen Vertebral arch Axis (C2) Atlas (C1)

  4. Thoracic & Lumbar Vertebrae lumbar vertebrae thoracic vertebrae

  5. Vertebral Column intervertebral disk intervertebral foramen

  6. Sacrum (5 fused vertebrae) sacral canal median sacral crest sacral foramen sacral hiatus Articular surface (SI joint) Transverse ridge

  7. Coccyx Articular surface (sacroiliac joint) Coccyx

  8. Rib costal groove tubercle shaft neck head

  9. sternal notch clavicular notch Sternum sternal angle manubrium body intercostal space xiphoid process

  10. Thorax 1 2 True Ribs (7 pairs) False Ribs (5 pairs) 3 4 5 6 7 4 Floating 1 5 2 3

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