Bone cell apoptosis increases the Spaces of bone trabeculae and decreases the bone mass.
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2. 结论椎体小梁骨面积比值与骨密度间密切相关，由此我们可通过小梁骨面积比值对骨密度作出评价。
Conclusion there is a high correlation between the ratio of trabecular area of lumbar spine and BMD, therefore, we can estimate BMD by ratio of trabecular area.
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3. 各骨(长骨)骨间膜骨化及骨小梁、骨密度改变发生早、且病变程度重。
But change most early is every (long bone) interosseous membrane ossify and bony trabecula, bone density and pathological changes degree serious.
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4. 图像分析测量每个视野小梁骨面积与组织总面积的比值（BA/TTA） ，于各组间比较。
The ratio of bone area to total tissue area (BA/TTA) in each microscopic field was determined by computerized image processing.
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5. 图像分析测量每个视野小梁骨面积与组织总面积的比值（BA/TTA） ，于各组间比较。
The ratio of bone area to total tissue area (BA/TTA) in each microscopic field was determined by computerized image processing.
