Histological observation of a gelatin sponge transplant loaded with bone marrow-derived mesenchymal stem cells combined with platelet-rich plasma in repairing an annulus defect - Fig 2
<p>The exposure of annulus fibrosus after decompression of the lamina, (A) sham group, arrow showing annulus fibrosus. (B)injury group,arrow showing a 1 × 1 cm defect of annulus fibrosus. (C)therapeutic group,arrow showing complexes including BMSCs, PRP,and Gelatin sponges.</p