成骨

Mesenchymal stem cells can differentiate into bone, fat, cartilage and other types of cells.

间充质干细胞能分化成骨、脂肪、软骨和其他种类细胞。

And that single calcium phosphate artificial bone carrier material all have their own defects in these aspects.

学强度、良好的组织相容性、可生物降解吸收、载药和缓释性能以及成骨活性等，而单一磷酸钙类人工骨载体材料在这些方面郡有看各自不同的缺陷，而把多种材料进行组合优化，是研究的热点。

Pull piece of ossification is two character that offer to cutting bring up the rear to still withhold periosteum, parenchyma and blood paragraph, pull Zhang Qi inflict through securing what go up at its the drawing of specific size or outspread force, make bone paragraph new spirit of the second birth inside clearance is lengthened or widen skeletal, add the surgical skill that bone measures.

梗概： 牵张成骨(D istraction osteogenesis，DO)是对切断后仍保留骨膜、软组织及血供的两个骨段，通过固定于其上的牵张器施以特定大小的牵引或扩张力，使骨段间隙内再生新骨延长或拓宽骨骼，增加骨量的外科技术。

The parallel plate flow chamber can be used to study the morphology and physiological actions of mechanics sensitive cells in vitro, such as osteoblasts, vascular endothelial cells, airway smooth muscle cells and so on.

本研究装置可用于体外研究成骨细胞等力学敏感细胞在形态学、生理生化等方面对剪切力的反应。

Our study broke through the traditional method of treating alveolar cleft with bone grafting. According to the characteristics of DO, transport disk was used to close the cleft and stimulate the new bone deposition behind it.

本研究旨在突破传统牙槽突植骨术治疗牙槽裂的思路，根据牵引成骨技术的特点，实验采用输送盘关闭裂隙，同时刺激新骨产生。

Alveolar cleft could be successfully closed by DO technique. This research is the basis of exploring clinical treatment of alveolar cleft without bone grafting.

通过建立牙槽裂狗实验模型，应用牵引成骨技术可以成功关闭牙槽裂隙，为进一步在临床上探索新的治疗牙槽裂的方法打下了可行性基础。

This study will contribute to a better understanding of mechanism of bone remodeling during tooth movement which may set the basis for clinical work. Methods1. Observe the expression of ATF4 protein in periodontal tissues after orthodontictooth movementA titanium-nickel closed-coil spring was applied to the occlusal surface of the rat maxillary first molar (M1) with a hook and the upper incisors with a ligature wire.

但正畸骨改建与骨发育是两种不同的生理过程，ATF4在正畸牙齿移动牙周组织的表达和分布，在机械力的作用下体外培养的人牙周膜细胞中表达变化的情况，以及在牙周膜细胞向成骨样细胞分化的过程中所起的作用，国内外尚未有报道。

More-modern techniques of internal fixation now include posterior pedicle screw fixation and/or direct anterior column decompression and reconstruction using bone or synthetic grafts with or without internal fixation.

目前的新内固定技术包括：后路椎弓根钉固定、直接前柱减压以及使用自体骨或合成骨进行重建。

The third passage osteoblasts were plated at the density of 5×104/ml in 75ml culture flask, twenty four hours later treatment factors were added.

许多激素及细胞因子通过调节破骨细胞和成骨细胞这两类细胞的数量和活性，使骨量维持动态平衡。

Sometimes,a few of ziotic blebs were observed.

这些特征均显示它与成骨细胞的相似性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐