Figure 1From: Fibroblast biology Development and differentiation of synovial fibroblasts in arthritisSchematic 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).Back to article page