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. 2016 Feb 14;7(8):8498–8512. doi: 10.18632/oncotarget.7381

Figure 4. Histological analysis of wound healing in aging rat patellar tendons.

Figure 4

A., C. Control aging tendon; B., D. Aging tendon from rats after MTR. At 4 weeks, the control aging tendons have large numbers of lipid-like structures in the wound site (green arrow) A.. But these structures are reduced in aging tendons after the MTR regimen (yellow arrow) B.. At 8 weeks, the control aging tendon appears to be healing but the lipid-like structures still remain C. while in the MTR group, the normal-like tendon structure is regained in aging tendons, which have well organized matrix and evenly distributed cells D.. Bars: 200 μm.