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Right arrow Articles by Hall-Craggs, E. C. B.

THE EFFECT OF EXPERIMENTAL EPIPHYSIODESIS ON GROWTH IN LENGTH OF THE RABBIT'S TIBIA

E. C. B. Hall-Craggs 1

1 Department of Anatomy, University College London; England

1. Experimental epiphysiodesis was performed on either the upper or lower epiphysial cartilage of one tibia of young rabbits, the other tibia serving as a control.

2. Subsequent growth was observed at each epiphysis by radiography.

3. After both operations the normal deceleration of growth rate of the uninjured epiphysis on the experimental side was reduced and this epiphysis made a greater contribution than its control to the final length of the bone.

4. Serial sections of the injured epiphysis revealed that the arrest of growth was due to the formation of a narrow bony bridge between the epiphysial and metaphysial bone.

5. The additional growth of the uninjured epiphysis appeared to have a direct relationship to the deficiency of growth at the epiphysis that had been injured by operation.

6. The results may indicate the existence of a local system of growth control.
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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General