如果钢板没有放在骨界面的中央，锁定头螺钉将不能达到最佳的固定。
Locking head screws will not have optimal fixation if the plate is not sitting over the middle of the bone surface.
鼻部的中央支持系统是鼻中隔，其与后方的筛骨垂直板和下方的犁骨接合在一起。
The central supporting system of the nose is the septum, which articulates with the perpendicular plate of the ethmoid posteriorly and the vomer inferiorly.
中央管直径和面积百分比的图像分析结果显示人与动物骨的差异均有显著意义。
Significant differences in the central canal diameter and total area percentage between human and animal bones were shown by imaging analysis.
目的：介绍一种手术技术，使用胸骨柄中线作为颈椎前路钢板中央放置的主要外部参照，使用其与下颌骨的连线为辅助参照。
Objective. To describe a technique for centralizing cervical plates using the center of the manubrium as a primary external guide and its alignment with the mandible as a secondary guide.
骨扫描：“甜甜圈征”——周边摄取增高，中央摄取稍低。
Bone scan: "Donut sign" — increased peripheral uptake, photopenic center.
腰脊柱的退变，可能主要影响骨连结段而不是骨性段，既累及中央椎管，也累及神经根管。
The degeneration of the lumbar spine may mainly influence the articular segments other than the intraosseous segments and involve both the central vertebral canal and the nerve root canals.
血细胞是在骨髓中形成的，骨髓位于骨中央。
Blood cells are formed in the marrow, which occupies the center of the bones.
不断发现的影响还包括头小；中央神经系统基因改变；有助于构成头盖骨的细胞的死亡率提高；以及畸形软骨。
Effects repeatedly found included reduced head size, genetic alterations in the central nervous system, increase in the death of cells that help form the skull, and deformed cartilage.
骨髓水肿、中央性骨赘可导致膝关节疼痛；
The marrow dropsy, the central bone is superfluous may cause the knee joint ache;
骨髓水肿、中央性骨赘可导致膝关节疼痛；
The marrow dropsy, the central bone is superfluous may cause the knee joint ache;
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