Fig. 1From: Extracellular vesicles in bone: “dogrobbers” in the “eternal battle field”Bone remodelling compartment. OBs: osteogenic cells; OCs: osteoclasts; preOCs: pre-osteoclasts; OYs: osteocytes; HSCs: haematopoietic stem cells; BMSCs: bone mesenchymal stem cells; H-type ECs: endothelial cells strongly expressing both CD31 and endomucin (Emcn); L-type ECs: endothelial cells strongly expressing Emcn but not CD31Back to article page