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The Skeletal System

Learn about the different types of bone fractures, their treatment methods, and the stages in which bones heal. Explore the skeletal system and the structure of the skull. (296 characters)

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The Skeletal System

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  1. The Skeletal System

  2. Bone Fractures • A break in a bone • Types of bone fractures • Closed (simple) fracture – break that does not penetrate the skin • Open (compound) fracture – broken bone penetrates through the skin • Bone fractures are treated by reduction and immobilization • Realignment of the bone

  3. Common Types of Fractures Table 5.2

  4. Repair of Bone Fractures • Hematoma (blood-filled swelling) is formed • Break is splinted by fibrocartilage to form a callus • Fibrocartilage callus is replaced by a bony callus • Bony callus is remodeled to form a permanent patch

  5. Stages in the Healing of a Bone Fracture Figure 5.5

  6. The Axial Skeleton • Forms the longitudinal part of the body • Divided into three parts • Skull • Vertebral column • Bony thorax

  7. The Axial Skeleton Figure 5.6

  8. The Skull • Two sets of bones • Cranium • Facial bones • Bones are joined by sutures • Only the mandible is attached by a freely movable joint

  9. The Skull Figure 5.7

  10. Bones of the Skull Figure 5.11

  11. Human Skull, Superior View Figure 5.8

  12. Human Skull, Inferior View Figure 5.9

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