肌丝

C组可见局部肌丝溶解。

Local myofilament dissolving was found in group C.

参附提取物+格列本脲组线粒体明显肿胀，肌丝灶性溶解，肌浆网轻度扩张，异染色边集。

In the Shenfu injection + glibenclamide group , mitochondrium obviously swelled , myofilament presented focus dissolving , sarcoplasmic reticulum expanded a little and allochromacy assembled in the edge of cells .

此外，肌节的缩短发生于细肌丝沿粗肌丝“滑行”之际

Instead , sarcomere shortening occurs when the thin filaments'slide " by the thick filaments .

结果：经8周治疗后可见Cap治疗组心肌细胞肌丝排列整齐、核规则、核仁清晰、线粒体形态结构正常。

Results After eight weeks of treatment , orderly arrangement of the myofilament , regular nucleus , clear nucleolus and normal shape and structure of mitochondrions were found in Cap group .

而有着水解ATP并将化学能转换为动能的重要功能的粗肌丝是飞行的基础。

And the flying ability of insects based on myosin filament , the functions of which are transferring chemical energy to kinetic energy as well as hydrolyzing ATP .

尾吊诱发的模拟失重效应可能通过抑制ERK在大鼠股动脉粗、细肌丝调节中的作用从而损伤其收缩反应。

Simulated microgravity may attenuate the contractile responses of femoral arteries by inhibiting the ERK in thick and thin filament regulatory pathways .

BPH病人逼尿肌胞浆内肌丝及致密区排列紊乱，线粒体肿胀、变性。

Pense areas in the cytoplasm of the detrusor muscles also appeared to be abnormally distorted , the mitochondria were tumescent and exhibited vacuolar degeneration in detrusor of patients with BPH .

分化的细胞表达心肌特异的GATA-4、α-MHCmRNA及α-SarcomericActin、cTnT蛋白，同时透射电镜观察到细胞质内有明显的肌丝。

The cells expressed cardiomyocyte specific GATA-4 、α - MHC mRNA and α - sarcomeric actin 、 cTnT protein . The myofibers inside the cells were found by transmission electron microscopy .

肌丝排列紊乱，肌浆网管扩张，肌丝间网聚集；

The duct of sarcoplasmic reticulum dilated . Reticulum between myofilaments collected ;

结果两种方法均可获得大量子宫肌瘤细胞，消化法建系时间短，细胞富含肌丝，亚细胞器较少；

Results Many uterine leiomyoma cells were obtained by the last two methods .

螯虾横纹肌粗肌丝超微结构的计算机图象分析

Computer Image Analysis of the Ultrastructure of Thick Myofilament of Crayfish Striated Muscle

胞浆内可见肌丝样结构，细胞间存在细胞连接。

Myofilaments were found in cytoplasm , and between cells there were cell junctions .

帚胚由双层的原生质膜和穿越双层膜并排列紧密的毛基体以及位于中心的肌丝组成。

The scopula is composed of double-layered plasmalemma with many kinetosomes and center-positioned spasmoneme ;

在3岁以后生长发育和产绒性能均趋于稳定.肌丝随月份逐渐增多。

The growth and development and down producing become gradually stabilized after 3 years old .

部分心肌细胞肌丝呈棉絮样改变，横纹消失；

In some muscle cells , myofilaments were flocky in appearance and showed no cross striations .

在一定程度上保持心肌细胞线粒体膜、核膜和肌丝结构的完整性。

Substained the intact structure of mitochondrial membrane 、 nuclear membrane and myofibrils in myocardiac cells .

此外，肌节的缩短发生于细肌丝沿粗肌丝滑行之际。

Instead , sarcomere shortening occurs when the thin filaments " slide " by the thick filaments .

肌丝随月份逐渐增多。

Myofilaments gradually increase .

家蚕和野桑蚕粗肌丝结构基因的研究由蚕茧产生的纤维，提供针织品所需的细丝。

Gene Clone of Thick Filament Gene in B. Mandarina and B. Mori fibers from silkworm cocoons provide threads for knitting .

形态学方面免疫组动物心脏显示有明显改变，如室腔的扩大，灶性肌丝溶解、坏死，线粒体数目增多、肿胀和聚集，等等。

Morphological changes were found in immunized rabbits such as the enlargement of ventricles , myofibrillar lysis and necrosis , mitochondria swelling and condensation .

电镜下见心肌细胞肌丝溶解，滑面内质网扩张，线粒体内室肿胀，核周间隙增宽。

Under electron microscope were seen myocardial F-actin dissolving , smooth endoplasmic reticulum extension , chondrosome internal cell swelling , and perinuclear space widening .

光镜下可见细胞呈梭形，火焰状排列，电镜下可见为平滑肌细胞特征的肌丝。

The cells have some characteristics of smooth muscle cells such as spindle cells under the phase-contrast micrograph and the myofilament under the TEM .

部分细胞的胞质中，出现密集平行排列的肌丝样结构，但未见到肌节样结构。

In cytoplasm of some cells , there was some dense myofilament-like structure arranged in parallel way , but sarcomere-like structure was not founed .

慢性应激致心肌超微结构发生明显变化，表现为心肌细胞核膜皱缩，核周隙扩张，线粒体肿胀、峭排列紊乱，肌丝断裂或溶解样变化。

Changes of myocardial ultrastructure of rats subjected to chronic stress including nuclear membrane shrinkage , perinuclear space widening , mitochondrial swelling , myofibril breakage etc.

别嘌呤醇的强心作用在于它不但能够改善心衰心肌钙分布的不平衡状态，而且能够增加肌丝蛋白对钙的敏感性，改善异常的兴奋收缩耦联。

Allopurinol can enhance cardiac function by improving unbalanced distribution of calcium , increase the sensitivity of myofilaments to calcium and improving abnormal excitation contraction coupling .

由微丝聚集成束，再与肌球蛋白纤维（粗肌丝）结合共同组成细胞收缩装置&应力纤维。

The stress fibers ( SF ) are the contractile apparatus of VSMC , which is composed of microfilament bundles and myosin filaments ( thick myofilaments ) .

胸主动脉平滑肌电镜下改变：结果发现与对照组相比，①②④组标本均可见到囊泡减少，密斑密体减少，肌丝丰富排列规则，无破坏及扩张，走行与细胞长轴平行。

Changes of thoracic vascular smooth cells under electron microscope : Compared to control group , all groups of LPS infusion showed the reduction of vesicle , dense patch and dense body .

房室束细胞比移行细胞大、核染色质多、肌丝和肌原纤维及其分支也多、闰盘发达完整。

The cells in the HB were larger than the transitional cells , with abundant chromatin in the nuclei , more myofibers and myofibrils and branches . The intercalated disks were well developed .

结论：骨髓间质干细胞经5-氮胞苷诱导培养4周及未诱导连续培养8周均可定向转化为具有肌丝结构的肌样细胞，而非心肌样细胞。

CONCLUSION : MSCs cultured for 4 weeks after incubation with 5-azacytidine or for 8 weeks without incubation both can directionally transform into myoid cell with myofilament structure , but not cardiogenic cells .

发现光镜下所见的肿瘤组织内横纹肌肉瘤样细胞，电镜下可见其胞浆内有较多的张力原纤维，未见肌丝，癌细胞间可见成串的桥粒。

We found that there were many tonofilaments in the rhabdomyosarcoma like cells observed with light microscope and there were not any myofilaments . A string of desmosomes can be seen between the cells .