Research Article
The Upregulation of COX2 in Human Degenerated Nucleus Pulposus: The Association of Inflammation with Intervertebral Disc Degeneration
Figure 3
The expression of COX2 between grade 2, 3, 4, and 5 discs of the patients. (a) The percent of COX2+ cells in the total cell population in NP tissues at grades 2, 3, 4, and 5. (b) The IOD/cell number of COX2 in NP tissues at grades 2, 3, 4, and 5. represents , represents , represents , and represents .