Figure 1.

Schematic representation of a normal synovium. The intima contains specialised fibroblasts (black, indicated by arrows) expressing VCAM-1, DAF and UDPGD, and specialised macrophages (dark grey, indicated by arrow) expressing Fcγ RIIIa. The deeper subintima contains relatively unspecialised counterparts (labelled).

Edwards Arthritis Res 2000 2:344-347   doi:10.1186/ar110