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- Subchondral bone sclerosis 软骨下骨硬化
- More advanced disease is manifested by severe joint ace narrowing， marked osteophyte formation at the joint margi ， de e sclerosis of subchondral bone， and subchondral cysts. 更严重的疾病，表现为关节间隙更窄狭，在关节边缘有明显骨赘形成，软骨下骨坚实硬化以及软骨下囊肿。
- More advanced disease is manifested by severe joint space narrowing， marked osteophyte formation at the joint margins， dense sclerosis of subchondral bone， and subchondral cysts. 更严重的疾病，表现为关节间隙更窄狭，在关节边缘有明显骨赘形成，软骨下骨坚实硬化以及软骨下囊肿。
- This results in uneven distribution of stress transmission to deeper layers of cartilage and to the underlying subchondral bone. 这导致应力分布不均匀地传导至深层软骨及其下面的软骨下骨。
- The exception is articular cartilage and the subchondral bone, which should be preserved if at all possible. 除了关节软骨和软骨下骨，这些应该尽可能保留。
- Results:The outcome revealed that the patellar subchondral bone of the lateral facet has the best biomechanical character than the other sections. 结果：髌骨外侧关节面软骨下骨的压缩及折弯强度与其他各组比较有显著性差异。
- This study sought to address the possibility that the subchondral bone seeks an optimal morphology based on the principles of bone remodeling. 本研究试图阐释：软骨下骨外形的优化，是基于骨塑形理论。
- This results in uneven distribution of stre tra mi ion to deeper layers of cartilage and to the underlying subchondral bone. 这导致应力分布不均匀地传导至深层软骨及其下面的软骨下骨。
- Micro-fracture of subchondral bone,clustering of chondrocytes in the disc and mineralization of the disc were also found. 关节盘后带见到软骨细胞团和钙化现象。
- Infection must be suspected if part of the subchondral bone of the acetabulum or femoral head is eroded or if bone has been resorbed about an internal fixation deice. 如果髋臼或股骨头软骨下骨被侵蚀或内固定物周围骨质吸收，应除外感染。
- The screws engage subchondral bone but remain extraarticular.A 3- or 4-hole mini-fragment plate is then contoured to fit anteriorly along the lateral column of the humerus. 镙钉对软骨下骨有效，但仍位于关节外，然后弯曲一个3或4孔的微型钢板以适于肱骨侧柱前部。
- The highest stresses in the cement and trabecular bone deelop when a thin-walled, polyethylene acetabular component is used and when the subchondral bone has been remoed. 当软骨下骨被除去且使用薄的聚乙烯髋臼假体时，骨水泥和小梁骨内产生的应力最高。
- Four patients had essentially intact articular cartilage overlying the lesion, which was characterized by disruption of the trabecular architecture indicative of subchondral bone fracture. 4位患者关节软骨本质上是完整的并覆于损伤表面，损伤的特征为骨小梁结构断裂提示的软骨下骨折。
- The preseration of subchondral bone in the acetabulum, as well as the use of a metal-backed cup or thick-walled polyethylene cup, decreases the peak stress leels in the trabecular bone of the pelis. 保留髋臼内的软骨下骨及采用金属帽髋臼或厚壁聚乙烯臼均可降低骨盆小梁骨内的峰应力水平。
- The direction of condylar subchondral bone trabeculae was arranged obviously perpendicular to the articular surface in central and posterior parts in the disordered occlusion group. 实验组中部和后部软骨下骨小梁变得明显垂直于髁突表面排列。
- Conclusions PDGF-BB could activate the aging articular chondrocytes, promote their mitosis, proliferation and new cartilage formation.And the osteoblasts of the subchondral bone formed new bone. 结 论 PDGF-BB激活老年性退变软骨的细胞活性，使软骨细胞分裂、增殖加速，新软骨生成。
- Similar studies hae indicated that increased peak stresses deelop in the trabecular bone when the subchondral bone is remoed, and lowered peak stresses deelop when a metal-backed component is used. 类似研究表明，当软骨下骨被除去时，小梁骨内的峰应力增高，而用带金属帽的假体时峰应力降低。
- It suggested that the thickness of the subchondral bone is important in keeping the strength of femoral head and preventing deterioration of subchondral bone of the femoral head early. 3. 2、股骨头软骨下骨皮质骨的厚度、皮质骨的面积、骨小梁的体积和结构刚度、骨密度存在着正相关性，其中皮质骨的厚度和结构刚度、骨密度相关性强，说明股骨头软骨下骨的厚度对保持股骨头区力学的强度、早期预防股骨头软骨下骨的塌陷等方面可能有重要的作用。
- Keywords elastic;condyle;subchondral bone;adult;rat; 牵引;髁突软骨;软骨下骨;大鼠;
- The tiger in the cage gnawed listlessly at a bone. 笼子里的老虎在没精打采地啃一根骨头。
