Figure (IMAGE) Tokyo Medical and Dental University Caption Histological changes in mandibular condylar cartilage of IH rats. (a) Representative images of toluidine blue-stained sagittal sections of mandibular condyle from the N and IH groups. Thickness of each cartilage layer of anterior (b), middle (c), and posterior (d) parts in mandibular condyle. Ratios of each cartilage layer to total cartilage thickness shown in panels (e-g). F fibrous layer, P proliferating layer, M maturative layer, H hypertrophic layer. Scale bar?=?100 μm. Data are mean?�?SEM for each group. *P?0.05. Credit Department of Orthodontic Science,TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.