Question

Hand draw a unit of the Haversian system (an osteon -cross sectional view) indicating the following structures: central canal, circumferential lamella, interstitial lamella, concentric lamella, lacunae, Oseocytes canaliculi

Answer 1

Answer

• Osteon : Functional unit of compact bone
  
  
• Central canal : Also called haversian canal through which artery and vein passes.
  
  
• Osteocyte : Mature bone cell.
  
  
• Concentric lamella : Lamella surrounding central canal.
  
  
• Interstitial lamella : Lamella inbetween osteons.
  
  
• Circumferential lamella : Lamella in outer and inner surface of a bone.
  
  
• Lacuna : Space that contains osteocyte.
  
  
• Canaliculi : Canals that join lacunae.