The bone in these vertebral bodies demonstrates marked osteoporosis with thinning and loss of bony trabeculae.
椎骨明显的骨质疏松症，可见骨小梁薄弱甚至丧失。
Study Design. This study investigates the effects of photodynamic therapy (PDT) on the structural integrity of vertebral bone in healthy rats.
研究设计：研究光动力疗法(PDT)对健康大鼠脊椎骨结构完整性的作用。
Objective. To determine the short-term (1 week) and intermediate term (6 weeks) effects of a single PDT treatment on the mechanical and structural properties of vertebral bone.
目的：研究短期(1周)和中期(6周)内单纯的PD T疗法对脊椎骨力学和结构特性的作用。
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