Figure 1.

Typical macroscopic pictures and corresponding H&E sections of the applied classification. The notochordal cell (NC)-rich nucleus pulposus (NP) (A) contains NCs with a viable morphology organized in clusters; the mixed group (B) contains both NCs and chondrocyte-like cells (CLCs); and the CLC-rich group (C) contains solely CLCs embedded in a dense matrix.

Smolders et al. Arthritis Research & Therapy 2013 15:R23   doi:10.1186/ar4157
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