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骨陷窝内
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  bone lacuna
     Peripheral cortex was wrapped with fibrous tissues. In the control group, it showed inflammatory cell infiltration with rejection, bone marrow necrosis in marrow cavity, formation of fibra tissues, bone cell loss in bone lacuna, and the bone grafts were wrapped with woven bone that was from recipients.
     对照组表现为排斥反应的炎症细胞浸润,髓腔内骨髓坏死、纤维组织形成,骨陷窝内骨细胞缺失,移植骨被受体形成的编织骨包绕。
短句来源
     ②Histology manifestation of rabbits in the two groups after operation: At different time phases it showed typical fracture healing mode in the experimental group after operation, and 9 months later the marrow cavity was filled with myeloid tissues, and the internal and external cortex was flat; Haversian canal had revered to the normal size; Bone cells appeared in the bone lacuna;
     ②两组兔术后的组织学表现:实验组术后不同时期表现为典型的骨折愈合模式,9个月后髓腔由骨髓组织充填,皮质内外缘平整,哈弗斯管已恢复其正常大小,骨陷窝内存在骨细胞,皮质外周由纤维组织包绕;
短句来源
     ② Ultrastructural changes: Normal bone cells in control groupwere elliptical, located at bone lacuna.
     ②超微结构变化:生理盐水对照组正常骨细胞呈扁椭圆形,位于骨陷窝内
短句来源
     While osteocytes were found in bone lacuna of transplanted bone in experimental group all along,Karyopyknosis.
     而实验组术后骨陷窝内始终有骨细胞充填。
短句来源
     Histological observation showed no vital osteocytes were found in bone lacuna and vessels perforating into Haversian canals disappeared in control group after operation.
     组织学检查显示对照组术后移植骨骨陷窝内骨细胞缺失,哈弗斯管内血管亦消失;
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  “骨陷窝内”译为未确定词的双语例句
     3. Effects of BMP-2 gene transfaction on hBMSC proliferation,differentiation and VEGF expression in hBMSCFlow cytometer (FCM) examination showed the percentage of S phase cells in BMP-2 gene transferred hBMSC increased, while that of G1 phase cells decreased, which indicated that DNA synthesis and cell proliferation was promoted after gene transfaction.
     新形成的骨组织含钙量较低,成熟的骨细胞栖居于骨陷窝内,并沿新形成的哈佛氏管伸出突起,而细胞外基质表达Ⅰ型胶原,从结构和功能上证明新形成的组织为骨组织。 (3)BMP-2基因转染的hBMSC不仅作为生长因子的载体,而且直接参与成骨。
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     Immunohistochemical staining revealed that expression of RANKL and OPG protein was detected in osteoblasts, bone lining cells, fibroblasts and osteoclasts which mostly located in resorption lacunae.
     免疫组化结果显示,RANKL和OPG的阳性表达位于牙周成骨细胞、骨衬里细胞、牙周纤维细胞和位于骨陷窝内的破骨细胞中。
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     Their positive signals were also observed in the osteoclasts above the tooth germ, where there were some odontoclasts in the medial wall of the pulp cavity.
     恒牙胚冠方接近乳牙根面处有较集中的牙槽骨陷窝内的破骨细胞染色阳性,同时乳牙根吸收面和乳牙髓腔内壁处见大量的破牙细胞深染。
短句来源
     There were also strongly positive fluorescences in the bone l acunae near the medullary cavity by 8weeks.
     术后8周邻近骨髓腔处的皮质骨陷窝内亦有强的四环素荧光标记。
短句来源
     the bone tissue slice showed the osteocytes in osteo-lacuna at the end of fracture were disappeared;
     骨组织切片示骨折断端骨陷窝内骨细胞消失 ;
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  相似匹配句对
     Bone resorption pits were observed with scanning electronicmicroscope.
     扫描电镜观察吸收陷窝变化。
短句来源
     Electronicmicroscopy shows the area of bone resorption pits.
     扫描电镜观察吸收陷窝变化。
短句来源
     FLOW OF FLUID IN LACUNA-CANALICULAR SYSTEM
     陷窝小管系统液体的流动
短句来源
     Chondroblastoma of bone
     的软母细胞瘤
短句来源
     3.SEM showed that osteoblasts in the surface of bone bed around NiTi shape memory alloy implant had turned into osteocytes.
     3 SEM显示 :陷窝多见成熟的细胞。
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  bone lacuna
Rod-shaped crystals are found only in collagen fibrils of the bone lacuna walls.
      


Objective: To evaluate the efficacy of autoplasy of cranial bone after cryopreservation Methods: Bone tissue was examined pathologically before transplating Clinic situation and cranial X-ray check were followed up after operation 1-12 months in 27patients experienced autoplasty of cranial bone being cryopreserved Results: Bone cells appeared in the pit and partial cells were shrunk pathologically One stage healing showed in 26 case Satisfactoriness of this method was 92 6%in 25 cases,in which local...

Objective: To evaluate the efficacy of autoplasy of cranial bone after cryopreservation Methods: Bone tissue was examined pathologically before transplating Clinic situation and cranial X-ray check were followed up after operation 1-12 months in 27patients experienced autoplasty of cranial bone being cryopreserved Results: Bone cells appeared in the pit and partial cells were shrunk pathologically One stage healing showed in 26 case Satisfactoriness of this method was 92 6%in 25 cases,in which local repair on original cranial defect was smooth and steady X-ray examination showed that linear fissure disappeared after 12 months in most of patients Conclusion: Bone cell viability of cranial explants after cryopreservation was reserved The clinical applicalion of autoplasty of cranial bone after cryopreservation have some advantages, with low operative complications, requiring simple tech, and reaching anatomically healing

目的:研究深低温保存自体颅骨再植术的效果。方法:对27例行自体冷藏颅骨再植术患者作术前骨组织病理检查,术后定期(1~12个月)随访临床情况和头颅X线检查。结果:骨组织病理检查显示骨陷窝内可见骨细胞,部分细胞轻度萎缩,无骨细胞死亡和细胞破坏。26例切口一期愈合;25例缺损修补区平整稳定,外型美观,满意率926%。X线检查12个月后绝大部分骨缝消失,达骨性愈合。结论:深低温保存自体颅骨骨细胞成活力保留、再植术方法简单,手术并发症少,可达解剖愈合,临床应用效果好

Objective To explore the mechanism of steroid - induced femoral head necrosis in adult rabbits.Methods: Usin image analysis technique, the morphological characteristics of osteonecrosis (ON) of steroid - induced femoral head were observed in edult theits. 40 rabbits were divided into three groups, 10 were used as a control (group A), 10 were injected 10 mg/Kg/d dexamthasone (group B), continuous injection 7 days, 20 animals were treated with a combination of horse seum (twice) and dexamethasone (group C), continuous...

Objective To explore the mechanism of steroid - induced femoral head necrosis in adult rabbits.Methods: Usin image analysis technique, the morphological characteristics of osteonecrosis (ON) of steroid - induced femoral head were observed in edult theits. 40 rabbits were divided into three groups, 10 were used as a control (group A), 10 were injected 10 mg/Kg/d dexamthasone (group B), continuous injection 7 days, 20 animals were treated with a combination of horse seum (twice) and dexamethasone (group C), continuous injechon 7 days. Result: The histological evidene of osteonecrosis in femoral metaphysis or subchondral bone was found. It is showed that the hemopoietic tissue decreases and fat tissue increase in bone marrow. The diameter, area, cycle of fat cells in both group C and B were large than than group A (p < 0.01). Conclusion: Osteonecrosis was experimentally induced in rabbits by employing high dose corticosteroids. It was likely that fat tissues were accumlated in the bone marrow of femoral head and induced the presare of cavity in bone mim increased. It was that compessed small blood vessel and induced the osteonecrosis of femonil head.

目的:探讨激素诱发兔股骨头坏死的机理。方法:采用马血清和大剂量肾上腺糖皮质激素(氟美松)诱发成年兔股骨头坏死。将40只新西兰白兔分为三组:A组10只作为正常对照,B组10只给予10mg/Kg/d氟美松,连续给药7天。C组20只给予静注马血清两次后,注射与B组同剂量氟美松。HE染色,光镜观察,用CMLAS-彩色图像分析系统检测骨髓腔内造血组织与脂肪组织比值,并检测脂肪细胞直径、周长、面积等参数和计数检测每百个骨陷窝内坏死骨细胞数(空骨陷窝数)。结果:B、C组骨小梁萎缩,骨细胞核固缩,空骨陷窝数分别为20%和21%,明显多于正常对照组8%,骨髓腔内造血组织显著减少,脂肪组织明显增多,脂肪空泡变大,各测量参数与对照组比较均有显著意义(p<0.01)。结论:应用大剂量激素可诱发成年兔股骨头坏死。骨髓腔内脂肪堆积,骨髓腔内压升高可导致股骨头缺血而诱发骨细胞坏死。

Objective To study inductive osteogenesis of H aversian system and evaluate the cli nical significance of the vitalization su rface in the healing process of the ma ssive cortical allografts.Methods Forty-eight New Zealand rabbits underwent 2cm massive frozen allogeneic cortial bone transplantation.Groups of rabbits were sacrificed an d specimens were procured at 2-,4-,8-,and 12-week after surgery for X-ray,histology,immunohistochem istry,tetracycline immunofluorescence observation in order to record the resorption...

Objective To study inductive osteogenesis of H aversian system and evaluate the cli nical significance of the vitalization su rface in the healing process of the ma ssive cortical allografts.Methods Forty-eight New Zealand rabbits underwent 2cm massive frozen allogeneic cortial bone transplantation.Groups of rabbits were sacrificed an d specimens were procured at 2-,4-,8-,and 12-week after surgery for X-ray,histology,immunohistochem istry,tetracycline immunofluorescence observation in order to record the resorption and remodeling rconstru ction of the allografts.Results The healing rates of osteosynthesis site were:the proximal:90%by 4weeks,100%by 8weeks;the distal:60%by 4week s,90%by 8weeks,100%by 12weeks.Histological observation showed that the Haversian can als in the cortex were expanded by4weeks,most of them were located in t he cortex near the medullary cavity.The new bone formation was observed around the expanded Haverisan canal wall by 8weeks.The new form ative Haversian -like system was observed by 12weeks.The expanded Haversian canal walls were detecte d and weak positive expressions of BMP by immunohistochemistry staining by 4weeks.By 8weeks,the BMP exp ressions were strong posi-tive.The number of cells in the canals was increasing,and the BMP expressions were also detected in the bone lacunae around the Haversian canals.The tetracycline fluorescences were detected in the periphery of the allografts by 2weeks and were detected in the Haversian canals by 4weeks.In the transverse section of Haversian canal and Volkmanns canal,the fluorescences were strongly p ositive.There were also strongly positive fluorescences in the bone l acunae near the medullary cavity by 8weeks.Conclusion The massive bone allograft is vitalized and reco nstructed by four healing surfaces:1)resorption and inductive osteogenesis of the Haversian system.2)creeping substitution at the osteosynthesis site.3)resorption and reconstruction at the periphery of the allografts.4)osteogenesis of the internal wall of the medullary cavity.The study suggests that it is advantageous to r econstruct the blood circulation of the allografts by retaining more valid osteogenetic vitalization surfaces in clinical practice,for example,reducing all kinds of mechanical shelters,applying the intramedullary needle,and preserving a certain space of the medullary cavity.

目的研究大段同种异体皮质骨移植过程中哈佛系统的成骨作用,探讨大段同种异体皮质骨愈合活化表面的临床意义。方法48只新西兰大白兔为实验动物,手术移植2cm经深低温处理的大段同种异体皮质骨段,于术后2、4、8、12周取材,观察各组X线片、组织学、BMP免疫组织化学染色、四环素荧光标记变化,记录骨吸收重建情况。结果骨端愈合率:近端宿主骨-异体骨接合部4周90%,8周100%;远端4周60%,8周90%,12周100%。组织学观察:4周时皮质骨内哈佛管扩大,多位于近骨髓腔处的皮质内;8周时可观察到扩大的哈佛管壁周围新骨形成;12周时可见到新形成的类哈佛系统。BMP免疫组织化学染色显示移植后4周皮质内扩大的哈佛管壁有弱阳性表达,8周时有强阳性表达,管腔内细胞成分增多,哈佛管周围的骨陷窝内亦有阳性表达。四环素荧光标记显示术后2周可观察到异体骨周边的四环素荧光标记,移植后4周可见较强的荧光标记于哈佛管内,哈佛管内与福克曼管交叉处为强阳性表达。术后8周邻近骨髓腔处的皮质骨陷窝内亦有强的四环素荧光标记。结论大段同种异体皮质骨通过四个愈合表面进行活化重建:(1)哈佛系统的骨吸收、骨诱导成骨;(2)宿主骨-异...

目的研究大段同种异体皮质骨移植过程中哈佛系统的成骨作用,探讨大段同种异体皮质骨愈合活化表面的临床意义。方法48只新西兰大白兔为实验动物,手术移植2cm经深低温处理的大段同种异体皮质骨段,于术后2、4、8、12周取材,观察各组X线片、组织学、BMP免疫组织化学染色、四环素荧光标记变化,记录骨吸收重建情况。结果骨端愈合率:近端宿主骨-异体骨接合部4周90%,8周100%;远端4周60%,8周90%,12周100%。组织学观察:4周时皮质骨内哈佛管扩大,多位于近骨髓腔处的皮质内;8周时可观察到扩大的哈佛管壁周围新骨形成;12周时可见到新形成的类哈佛系统。BMP免疫组织化学染色显示移植后4周皮质内扩大的哈佛管壁有弱阳性表达,8周时有强阳性表达,管腔内细胞成分增多,哈佛管周围的骨陷窝内亦有阳性表达。四环素荧光标记显示术后2周可观察到异体骨周边的四环素荧光标记,移植后4周可见较强的荧光标记于哈佛管内,哈佛管内与福克曼管交叉处为强阳性表达。术后8周邻近骨髓腔处的皮质骨陷窝内亦有强的四环素荧光标记。结论大段同种异体皮质骨通过四个愈合表面进行活化重建:(1)哈佛系统的骨吸收、骨诱导成骨;(2)宿主骨-异体骨接合端的爬行替代;(3)异体皮质骨周围的吸收与重建;(4)骨髓腔内壁的成骨活动。研究提示在临床实践中应尽?

 
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