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"An external layer of compact bone surrounds a central area of spongy bone , except at the marrow cavity."

骨的外层为质密的骨皮质，包围着海绵状骨松质中心区。

An inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated.

一种先天混乱症特征是骨头的密度增加。

"An external layer of compact bone surround s a central area of spongy bone, except at the marrow cavity."

骨的外层为质密的骨皮质，包围着海绵状骨松质中心区。

Some fossil bones have all the interstitial spaces filled with foreign minerals, including the marrow cavity, if there is one, while others have taken up but little from their surroundings.

一些石化的骨头的所有裂缝的空隙，包括骨髓空腔，都充满了外来的矿石，如果这儿还有有一个空腔当其他的空腔都已被占据，填充物很少是来源于他们的环境。

BACKGROUND: Osteoblasts derived from bone marrow stromal stem cells are the main force of the cells in bone marrow cavity. In the artificial joint replacement cases, their life situation is closely related to conductive pressure of prosthesis.

背景：骨髓基质干细胞来源的成骨细胞是骨髓腔内主要的受力细胞，在人工关节置换病例中，其生命活动状况与假体传导压力有密切关系。

After twelve weeks new bone had converted to lamellar bone, some of which formed bone-shell. Marrow cavity was seen.

第12周，新骨组织形成板层状结构，髓腔明显，内含造血和脂肪细胞，第24周，新骨结构典型。

Marrow cavity is the place where bone cement fusion takes place, so its preparation is important to improve bone cement filling quality.

摘要背景：提高骨水泥与骨界面的融合可降低假体松动率，骨髓腔是骨水泥融合中的接受腔，其准备过程是提高骨水泥充填质量的关键。

It is suggested that the fetal liver cells injected into the bone marrow cavity can settle down and proliferate here and the volume of injection should be limited.

这一研究结果说明，直接注入骨髓腔内的胎肝细胞，能在骨髓腔内定居、增殖，实验结果还提示，用骨髓内注射法进行造血细胞移植时，注入骨髓腔内的细胞悬液量不宜太多。

Methods Through the analysis of the clinical effect after the use of the intramedullar interlocking nail (selective marrow cavity rasping)in the treatment of 20 cases long shaft open fracture, we could evaluate the feasibility and the positivity of such kind of operation.

方法通过对20例开放性长骨干骨折采用交锁髓内钉固定后临床疗效的分析，综合评价该手术的可行性和积极性。

The section of the bone showed that the bone marrow cavity was fulled with tumor cells, and the cortical bone was destroyed.

组织学研究显示骨髓腔内肿瘤生长，向外侵蚀破坏骨皮质。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。