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barry barry
wrote...
Posts: 11631
10 years ago
) Johnny fractured the lower third of his right tibia in a skiing accident. The soft tissues in the area were severely damaged and their surgical removal was necessary. After prolonged immobilization, it was found that Johnny was healing very poorly. The explanation offered by the orthopedic surgeon was that vascularization of the fracture site was still inadequate and good healing was absolutely dependent upon an adequate blood supply. Describe how a long bone receives its blood supply and trace the path of nutrient delivery to the osteocytes.
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lewislewis
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Posts: 1155
10 years ago
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Long bones are nourished by nutrient arteries that frequently enter the shaft. Removal of the soft tissues probably reduced the flow of blood to the affected area. The pathway requires transport of nutrients from blood vessels to periosteum to Volkmann's canals to Haversian canals to canaliculi to lacunae.

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