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Vertebral Column, Vertebral (Spinal) Canal, and Spinal Cord

  • Philip Thorek
Chapter
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Abstract

The spinal column serves many remarkable functions. It supports the weight of the head, acts as the central pillar of the body, connects the upper and the lower segments of the trunk, gives attachments to the ribs, reduces shock transmitted from various parts of the body, forms a complete tube for the reception of the spinal cord and permits a wide range of most complicated movements and balancing. It consists of 33 vertebrae which are grouped according to region (Fig. 795). The movable (true) vertebrae are the 7 cervical, the 12 thoracic and the 5 lumbar. The fixed (false) vertebrae are the 5 sacral, fused in adults to form the sacrum, and usually the 4 coccygeal, fused to form the coccyx. If the bony column is examined as a whole from front or back it seems to form a straight line, but when it is seen from the side it presents definite curves.

Keywords

Spinal Cord Vertebral Column Medulla Oblongata Cervical Vertebra Sacral Vertebra 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York, Inc. 1985

Authors and Affiliations

  • Philip Thorek
    • 1
    • 2
    • 3
    • 4
  1. 1.Thorek Hospital and Medical CenterChicagoUSA
  2. 2.Cook County Graduate School of MedicineUSA
  3. 3.University of Illinois College of MedicineUSA
  4. 4.American College of Chest PhysiciansUSA

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