Fig. 4From: Clock gene Per1 regulates rat temporomandibular osteoarthritis through NF-κB pathway: an in vitro and in vivo studyDegenerative lesions are observed in unilateral anterior crossbite TMJOA rat model. A Three-dimensional reconstruction of condyles in UAC group and Sham group. B Quantitative evaluation including BS/BV, BV/TV, Tb.Th, Tb.Sp and Tb.N of two groups (n = 3). C H & E, Alcian Blue & Nuclear Fast Red and Safranin O & Fast Green staining of two groups (n = 4). D The thickness of cartilage in two groups (n = 4). E The modified Mankin scores of two groups (n = 4). Values are displayed as the mean ± SEM. *P < 0.05, **P < 0.01 and ***P < 0.001Back to article page