Safranin O staining of lumbar vertebra.

<p>a-i Safranin O staining of coronal sections of the fourth lumbar vertebra in wild-type and CA-β-catenin mice at 1 month (a, b, e and f), 3 months (i and j), 5 months (c and d), 6 months (g and h) and 8 months (k and l) of age. Boxes in a and b are magnified in e and f, respectively. Bars: 200 µm (a, b, c, d, g, h, i, j, k and l) and 100 µm (e and f).