Research Article

A Study on COMP and CTX-II as Molecular Markers for the Diagnosis of Intervertebral Disc Degeneration

Figure 4

H&E staining showed severe IVDD in the rats of the experimental group. (a) The control group showed no significant difference was detected between different time points. (b) The experimental group showed the annulus fibrosus was manifested by annular disruption, NPC loss, endplate calcification, and cell necrosis. AF: annulus fibrosus; NP: nucleus pulposus; EP: endplate cartilage. in each group.
(a)
(b)