Fig. 9From: Effect of diminished flow in rabbit lumbar arteries on intervertebral disc matrix changes using MRI T2-mapping and histologyHistological grading scores. Histological grading scores for the total of five categories: (a), nucleus pulposus (NP) cellularity (b), NP matrix (c) and pericellular matrix of the NP (d) in the caudal disc, bilateral disc and cranial disc of sham-operation (0 W) and 4 W, 8 W and 12 W after lumbar artery ligation. *p < 0.05 vs. the control discsBack to article page