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Osteon development

Osteon development. Blood vessel. Osteoclasts arrive begin dissolving a cone or “tunnel” in the mineralized matrix. Osteon development. Osteoblasts now arrive line the “tunnel” begin adding layers of mineralized matrix. Osteon review. Osteon (haversian system). Osteocytes.

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Osteon development

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  1. Osteon development Blood vessel • Osteoclasts arrive • begin dissolving a cone or “tunnel” • in the mineralized matrix

  2. Osteon development • Osteoblasts now arrive • line the “tunnel” • begin adding layers ofmineralized matrix

  3. Osteon review Osteon(haversian system) Osteocytes (in lacunae) Lamellae Central canal Canaliculi

  4. Osteon fun facts • Around 21 million osteons inadult skeleton • Each osteon is 100-400 µmin diameter (1 inch = 25,400 µm) • A medium osteon has about30 lamellae (each about 3 µm) • The central canal is around50 µm in diameter

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