Figure 5.

Immunohistochemical localisation of CD31 and PGP9.5 staining in the disc. (a) OAF of degenerate disc with neurovascular ingrowth staining positive for PGP9.5. (b) OAF illustrating blood vessel ingrowth in the degenerate disc, demonstrating positive endothelial cell staining for CD31.

Tolofari et al. Arthritis Research & Therapy 2010 12:R1   doi:10.1186/ar2898
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