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. Author manuscript; available in PMC: 2016 Jan 9.
Published in final edited form as: Osteoarthritis Cartilage. 2014 Apr 3;22(6):822–830. doi: 10.1016/j.joca.2014.03.017

Fig. 1.

Fig. 1

Histomorphology images of rat TMJ cartilage stained with hematoxylin and eosin (HE). A, An example of a sagittal central section of rat TMJ shows the center third of TMJ cartilage used to calculate the percentage of Cx43-positive chondrocytes. B, Cells are organized as four layers in rat TMJ cartilage as indicated. C, The representative sagittal central sections of TMJ shows the OA–like lesion, typically as a cell-free area, in 2-, and 8-week experimental groups. 2W, 2-week group; 8W, 8-week group; Con, control group; Exp, experimental group.