... of stem cells is a promising method for cartilage repair, in this chapter I confirmed that engraftment of the MSCs in injured cartilage is an active migration and homing process and injured cartilage ... microfracture (265, 266), or introducing new cell sources like debrided waste chondrocytes, Bone Marrow derived Mesenchymal Stem Cells (BM MSCs), or any combination of these cells (29, 214, 215, 267, ... exogenous stem cells (endogenous from the bone marrow and exogenous by multiple intra -articular injection of the expanded autologous stem cells) As I showed, in the previous chapter, that injection...