The ink distribution in different part of verterbral cartilage endplate(fix or unfix) were observed, and the ink distribution in same part of verterbral cartilage(test or control group) were compared.

• 结果:软骨终板有血管从中经过,椎间盘营养来源分主要和次要途径,内固定后软骨终板和椎体之间产生分离,椎间盘会新生较多小血管,且血管缓慢而淤积。