1. Vertebral Column Pages 145-152

2. Vertebral Column  Also called the “Spine”  Serves as the axial support of the body  Formed from 26 irregular bones connected and reinforced by ligaments  Surrounds and protects the delicate spinal cord

3. The Vertebral Column VVVVertebrae separated by intervertebral discs TTTThe spine has a normal curvature EEEEach vertebrae is given a name according to its location Figure 5.14

4. 1. Cervical C 1 -C 7 2. Thoracic T 1 -T 12 3. Lumbar L 1 -L 5 4. Sacrum, fused 5. Coccyx, fused 6. Atlas C 1 7. Axis C 2

5. Structure of a Typical Vertebrae Figure 5.16 Common Features: Body or Centrum Vertebral arch Vertebral foramen Transverse processes Spinous process Superior and inferior articular processes

6. A. Cervical; atlasB. Cervical (typical) C. Thoracic D. Lumbar

7. Homework  Answer #13 on page 70  Page 174 Short Answer Essay 12-14