Medicine & USMLE

Bone Structure

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Musculoskeletal
  1. Osteoblasts
  2. Osteoclasts
  3. Osteocytes
  4. Spongy Bone
  5. Compact Bone
  6. Bone Structure
  7. Cartilage
  8. Joints
  9. Type 1 vs. Type 2 Muscle Fibers

Summary

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Key Points

  • Bone Structure
    • Bones vary but share general structural features
      • Epiphysis 
        • Rounded ends
        • Forms joint surfaces
          • Covered by cartilage
      • Diaphysis 
        • Hollow central shaft
          • Filled with bone marrow
      • Metaphysis 
        • Regions where diaphysis and epiphysis meet
        • Contains growth (epiphyseal) plate