bone up

BACKGROUND: Deproteinized cancellous bone can be used as a new kind of bone graft material due to its wide resources and biological characteristics if the problem of immunogen can be solved.

背景：异种脱蛋白松质骨因其来源广泛和独特的生物学特性有望成为较好的骨组织工程支架，其关键点为免疫原问题，如能解决免疫原问题，则有望开发出一种新型植骨材料。

In the clinical application of bone implants there are still some problems related to the imperfectness of osseointegration of implants with bone tissue .

在骨种植修复的临床实践中，种植体与骨组织结合的减弱和丧失是绝大多数种植失败的原因。

The establishment of models was simple and cost-effective, and the biocompatibility of bone tissues and implants, as well as the bone tissue ingrowth can be observed.

提示犬椎体模型设计合理、操作容易，费用低廉，可以就融合术后骨组织与内置入物的相容性及钛-骨界面上骨组织长入情况进行观察，是一种简单、方便的研究腰椎前路内固定手术的动物模型。

Wolfe and Kawamoto[1] hae reported a method of taking full-thickness bone from the anterior ilium; the iliac crest is split off obliquely both medially and laterally so that the edges of the crest may be reapproximated after the bone has been excised Fig.

髂嵴向内外侧劈开，取骨后，将髂嵴边缘缝合在一起(图1-20)。

All patients have received bone healing. 12 cases showed bone healing 18-month later after X-ray inspection, the nail has been taken out and no fracture recur. the hip, knee extension and ankle brace, plantar flexion functions are good and normal walking is possible.

未发现主钉弯曲、锁钉脱出及断钉病例，开始负重时间为8～12周，平均9.1周，全部病例均获得骨性愈合。12例术后18月X线复查示骨性愈合，已取钉，无再发骨折，髋、膝关节伸屈及踝关节背伸、跖屈功能均好，行走正常。

Objective To aid at the histological evaluation of hyaline cartilage and bone, we provide a simple and rapid method of tissue preparation for articular joint histology. Methods A defect 3 mm in diameter and 4 mm in depth, penetrating the subchondral bone plate, was created on the medial femoral condyle of rabbit knee using a stainless-steel electric drill.

目的：探索一种简单、快速的制作兔膝关节骨组织石蜡切片的方法，观察关节软骨和骨组织微观结构，为制备高质量骨组织石蜡切片和组织病理学研究提供实验基础。

Bone-regeneration after laminectomy is the process of endochondral ossification. The type of bone-regeneration is identified.

椎板再生是软骨内骨化的过程，并证实了椎板再生的方式是骨组织逐渐再生。

Group C: shorten for 1cm and fixation by unilateral lengthener. 500ul platelet-rich plasma are locally injected into distraction gap in day 17 and 27 post-operation. Group D (DBM+PRP group): fill the bone defect with 0.5cm decalcified bone matrix and 1ml platelet-rich plasma and shorten 0.5cm.

在术后第17天和术后第27天局部注射富血小板血浆500ul两次。D组：将0.5cm长的脱钙骨基质材料复合1ml富血小板血浆填入1cm的骨缺损并短缩0.5cm后外固定架固定。

All the animals will be terminated at day 37 following initial surgery. 3. Experimental groups: Group A: shorten for 1cm and fixation by unilateral lengthener. Group B: fill the bone defect with 0.5cm decalcified bone matrix and shorten for 0.5cm.

实验分组：A组：胫骨短缩1cm后外固定架固定。B组：将0.5cm长的脱钙骨基质材料填入骨缺损并短缩0.5cm后外固定架固定。C组：胫骨短缩1cm后外固定架固定。

Virtual bone dragons posture lightsome, action quick, easy to grab a pair of long arms and hands, and long and narrow jaw bone.

虚骨龙的体态轻盈、行动敏捷，有一双便于抓取的长手臂和手掌，以及长又窄的颚骨。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切