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regeneration phenomenon
相关语句
  再生现象
     However,the regeneration phenomenon of the CNS and the finding of neural stemcells bearing the ability of reproduction challenge the theoryaforementioned.
     然而,中枢神经系统细胞再生现象及具有增殖能力的神经干细胞(neural stem cells,NSCs)的发现向这一理论提出了挑战。
短句来源
  “regeneration phenomenon”译为未确定词的双语例句
     By the observations of these ways the defect showed no bone regeneration phenomenon.
     表明羊腔骨Zcm的骨缺损是羊自身无法修复的,是一个理想的骨缺损模型。
短句来源
  相似匹配句对
     Phenomenon
     现象
短句来源
     o phenomenon.
     o现象的反映提供了研究依据。
短句来源
     REGENERATION OF MERIDIAN PHENOMENON (PRELIMINARY REPORT)
     经络现象的再生(初步报导)
短句来源
     The natural regeneration of C.
     总之,拷树自然更新伴随着一个复杂的种子扩散过程。
短句来源
     The related phenomenon of formation and regeneration of protoplasts were observed by optical microscope.
     并通过光学显微镜技术 ,观察了原生质体形成及再生的有关现象
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  regeneration phenomenon
An increase in the percentage of the cells in S phase 48 to 120 hrs after administration of the drug could be attributed to a regeneration phenomenon after cytostatic treatment and morphologically corresponds to a myelocytic bone marrow.
      


To study whether tissue engineered bone can repair the large segment bone defect of large animal or not.To observe what character the fascia flap played during the osteanagenesis and revascularization process of tissue engineered bone.Methods 9Chinese goats were made2cm left tibia diaphyseal defect.The repairing effect of the defects was evaluated by ECT,X-ray and histology.27goats were divided into three groups:group of CHAP,the defect was filled with coral hydroxyapatite(CHAP);group of tissue engineered bone,the...

To study whether tissue engineered bone can repair the large segment bone defect of large animal or not.To observe what character the fascia flap played during the osteanagenesis and revascularization process of tissue engineered bone.Methods 9Chinese goats were made2cm left tibia diaphyseal defect.The repairing effect of the defects was evaluated by ECT,X-ray and histology.27goats were divided into three groups:group of CHAP,the defect was filled with coral hydroxyapatite(CHAP);group of tissue engineered bone,the defect was filled with CHAP+bone marrow stroma cells(BMSc);group of fascia flap,the defect was filled with CHAP+BMSc+fascia flap.After finished culturing and inducing the BMSc,CHAP of group of tissue engineered bone and of fascia flap was combined with it.Making fascia flap,different materials as described above were then implanted separately into the defects.Radionuclide bone imaging was used to monitor the revascularization of the implants at2,4,8weeks after operation.X-ray examination,optical density index of X-ray film,V-G staining of tissue slice of the implants were used at4,8,12weeks after operation,and the biomechanical character of the specimens were tested at12weeks post operation. Results In the first study,the defect showed no bone regeneration phenomenon.2cm tibia defect was an ideal animal model.In the second study,group of CHAP manifested a little trace of bone regeneration,as to group of tissue engineered bone,the defect was almost repaired totally.In group of fascia flap,with the assistance of fascia flap which gave more chance to making implants to get more nutrient,the repair was quite complete.Conclusions The model of2cm caprine tibia diaphyseal defect cannot be repaired by goat itself and can satisfy the tissue engineering' s demands.Tissue engineered bone had good ability to repair large segment tibia defect of goat.Fascia flap can accelerate the revascularization process of tissue engineered bone.And by this way,it augment the ability of tissue engineered bone to repair the large bone defect of goat.

目的探讨组织工程骨能否修复大动物大段负重骨骨缺损,筋膜瓣能否及如何促进组织工程骨体内成骨及血管化的过程。方法中国青山羊9只作为空白组,制备单侧胫骨2cm的骨膜与骨缺损,缺损内不植入任何填充物,术后行放射性核素骨显像(ECT)、X线检查、组织学方法评价骨缺损自行修复情况。27只中国青山羊根据骨缺损植入物的不同分为3组:单纯材料组(单纯珊瑚羟基磷灰石coralhydroxyapatite,CHAP)、组织工程骨组(CHAP+经诱导分化的骨髓基质干细胞bonemarrowstromacell,BMSc)、筋膜瓣组(筋膜包裹CHAP+经诱导分化的BMSc)。组织工程骨组和筋膜瓣组分别取9只山羊的BMSc体外进行诱导分化,之后与CHAP复合。制备皮下带蒂深筋膜瓣。各组按不同的设计方案分别植入到骨缺损内。术后2、4、8周行ECT检查,4、8、12周行X线检查、组织学(V-G染色)检查,12周行生物力学检查。结果术后各项检查结果表明,空白组山羊胫骨2cm的骨缺损是其自身无法修复的,因此是一个理想的骨缺损模型。单纯材料组未能修复骨缺损,仅表现出一个缓慢的爬行替代过程;组织工程骨组可基本修复骨缺损,在成骨质量和血管化过程方面表...

目的探讨组织工程骨能否修复大动物大段负重骨骨缺损,筋膜瓣能否及如何促进组织工程骨体内成骨及血管化的过程。方法中国青山羊9只作为空白组,制备单侧胫骨2cm的骨膜与骨缺损,缺损内不植入任何填充物,术后行放射性核素骨显像(ECT)、X线检查、组织学方法评价骨缺损自行修复情况。27只中国青山羊根据骨缺损植入物的不同分为3组:单纯材料组(单纯珊瑚羟基磷灰石coralhydroxyapatite,CHAP)、组织工程骨组(CHAP+经诱导分化的骨髓基质干细胞bonemarrowstromacell,BMSc)、筋膜瓣组(筋膜包裹CHAP+经诱导分化的BMSc)。组织工程骨组和筋膜瓣组分别取9只山羊的BMSc体外进行诱导分化,之后与CHAP复合。制备皮下带蒂深筋膜瓣。各组按不同的设计方案分别植入到骨缺损内。术后2、4、8周行ECT检查,4、8、12周行X线检查、组织学(V-G染色)检查,12周行生物力学检查。结果术后各项检查结果表明,空白组山羊胫骨2cm的骨缺损是其自身无法修复的,因此是一个理想的骨缺损模型。单纯材料组未能修复骨缺损,仅表现出一个缓慢的爬行替代过程;组织工程骨组可基本修复骨缺损,在成骨质量和血管化过程方面表现出较理想的结果;筋膜瓣组修复骨缺损的效果更为满意,成骨质量和血管化程度亦高于组织工程骨组。结论山羊胫骨2cm缺损模型不能自主成?

For hundreds of years, scientists have been inspired by the regeneration phenomena in nature. Thanks to the development in the research tools for molecular biology, our understanding of the underlying molecular mechanisms involved in regeneration has been greatly deepened. Besides the increasing knowledge obtained from the studies on the molecular mechanisms of amphibian regeneration, accumulating evidence has proved that mammals may also have regenerative property, and the repair mechanisms...

For hundreds of years, scientists have been inspired by the regeneration phenomena in nature. Thanks to the development in the research tools for molecular biology, our understanding of the underlying molecular mechanisms involved in regeneration has been greatly deepened. Besides the increasing knowledge obtained from the studies on the molecular mechanisms of amphibian regeneration, accumulating evidence has proved that mammals may also have regenerative property, and the repair mechanisms should be conserved cross the species. Therefore, better clinical therapies are expected with the elucidation of regeneration mechanisms. Through introduction of the recent progress in amphibian appendage and mammalian regeneration, we expect the readers to have the fundamental understanding in this promising field.

几百年来,人们一直对自然界中的再生现象怀有极大的兴趣。随着分子生物学研究手段的发展,人们在分子水平上对再生的机制有了更深入的认识。目前对两栖类再生的分子机制研究已经越来越深入,而且越来越多的实验证明哺乳类动物也具有再生能力,至少两栖类和哺乳类在损伤修复中的机制可能是保守的。因此,对再生的机制研究有可能在临床上为损伤修复带来更好的治疗手段。本文希望通过对蝾螈附肢与哺乳动物再生能力及机制研究的介绍,使读者能对这一领域有初步的认识。

 
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