Fig. 3

Time course of X-ray and histopathology of the hip in the control group. After 7 days (a–d), 14 days (e–h), 28 days (i–l), 42 days (m–p), and 56 days (q–t). Anteroposterior (a, e, i, m, and q) and lateral (b, f, j, n, and r) radiographs of the rat hip. Hematoxylin and eosin (c, g, k, o, and s) and Safranin O (d, h, l, p, t) staining. Scale bars are 1 mm. This shows no evidence of degeneration or narrowing of the joint space during the period