Cortical Bone

Cortical bone is also called lamellar bone or compact bone. Shaft of bone in a long bone like tibia is typical example of the cortical bone.  Cortical bone forms the cortex, or outer shell, of most bones. It is much denser than cancellous bone, harder, stronger and stiffer. Cortical bone makes up nearly eighty percent of skeletal mass and is imperative to body structure and weight bearing because of its high resistance to bending and torsion.

Cortical Bone is arranged for facilitating following functions:

  • To support the whole body weight
  • Protect organs
  • Provide levers for movement
  • Store and release calcium

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