The Skeletal System.

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Presentation transcript:

The Skeletal System

The Torso or Trunk Vertebrae seven cervical twelve thoracic five lumbar sacrum coccyx ©2006 by Thomson Delmar Learning, a part of the Thomson Corporation. ALL RIGHTS RESERVED.

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

Structure of a Typical Vertebrae Figure 5.16

Regional Characteristics of Vertebrae Figure 5.17a–b

Regional Characteristics of Vertebrae Figure 5.17c–d

The Hyoid Bone The only bone that does not articulate with another bone Serves as a moveable base for the tongue Figure 5.12