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THE VASCULAR CONTRIBUTION TO OSTEOGENESIS

II. Studies with the Electron Microscope

J. Trueta 1; and K. Little 1

1 Nuffield Orthopaedic Centre, Oxford

Throughout this work data have been gathered favouring the concept that the metaphysial vascular arrangement is primarily related to the process of enchondral ossification, and has very limited, if any, responsibility for the nourishment of the growth cartilage.

The present evidence favours the suggestion that when the chondrocytes of the column have become too far separated from their source of nourishment (the epiphysial vessels) they and their surrounding matrix suffer changes which prepare them for the process of calcification. At least calcium and phosphate ions will be required for this to take place. The proximity of the vessel and also the fact that it is not isolated by a membrane at its very end suggests a profuse interchange of fluids with the surrounding area.
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Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General