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

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Presentation on theme: "Osteon development Blood vessel Osteoclasts arrive begin dissolving a cone or “tunnel” in the mineralized matrix."— Presentation transcript:

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 of mineralized matrix

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

4 Osteon fun facts Around 21 million osteons in adult skeleton Each osteon is µm in diameter (1 inch = 25,400 µm) A medium osteon has about 30 lamellae (each about 3 µm) The central canal is around 50 µm in diameter


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