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Understanding the Haversian System of Compact Bone

Learn about the components of the Haversian system in compact bone through repeating structural units, concentric circles of extracellular matrix, and passageways for blood vessels. Identify osteons, lamellae, central canal, and perforating canals.

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Understanding the Haversian System of Compact Bone

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  1. Bell Ringer January 21, 2014

  2. Identify the following components of the HAVERSIAN system of compact bone (Analzye the picture!)… • Repeating structural units • Concentric circles of extracellular matrix (like rings in a tree) • Vertical passageway for blood vessels • Horizontal passageway for blood vessels connecting from periosteum

  3. Notes: remember this system is found only in COMPACT bone. It is NOT found in spongy bone. • Repeating structural units- Osteon • Concentric circles of extracellular matrix (like rings in a tree)- Lamellae • Vertical passageway for blood vessels- Central canal (Haversian canal) • Horizontal passageway for blood vessels connecting from periosteum- Perforating (Volkmann’s) canal

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