Figure 4.
Retention of disc integrity in the presence of BMP13 following annular injury. Magnetic Resonance Image (MRI) scan of sheep spine at 4 months post surgery. Three disc levels are shown: stab control (annular stab with a No. 9 blade followed by injection of 70uL saline solution), Un-injured control (no injury), BMP13 (annular stab with a No. 9 blade followed by injection of 70uL BMP13 solution).