sarcomere

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

此外，肌节的缩短发生于细肌丝沿粗肌丝“滑行”之际

The Use of Laser Diffraction in the Measurement of Sarcomere Length

激光衍射法在测量肌节长度中的应用

Laser Diffraction Measurement of Sarcomere Length of Single Live Striation Muscle Fiber

横纹肌肌小节长度的激光衍射法测量

Objective To observe changes of the length of sarcomere of rat when restiffening .

目的观察尸僵再形成中肌节长度的变化。

There are usually 3 mitochondria and 2 T & tubes along each sarcomere .

每个肌节约有线粒体三个，横管二根。

Methods We measured the length of sarcomere of quadriceps in 40 rats in different condition by scanning electron microscope .

方法应用扫描电镜测定不同条件下取材的40只大鼠股四头肌肌节长度，判断再僵直的强度。

Collagen fibers , Z-line structure and the structure of the sarcomere are more clear and complete .

胶原纤维、Z线结构及肌节等结构都比较清晰完整。

The sarcomere struture of HMP also remained basic structure except the weakening at Z disk .

肉样经HMP处理后，肌节基本上保持原有结构，只是Z盘处稍有弱化发生。

Chicken samples were measured for sarcomere length and fiber diameter by using transimission electron microscope and shear force value .

首先将三种鸡肉样本进行电镜观察，并测定肌节长度和肌纤维直径、剪切力。

The construction of SOL sarcomere in RS and DH groups was improved as compared with SC.

RS和DH组SOL肌小节结构较SC有所改善。

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

此外，肌节的缩短发生于细肌丝沿粗肌丝滑行之际。

The myofibrils of control and DSPP treatments remained integrity , the structure of sarcomere was intact and clear .

对照和DSPP处理样品的肌原纤维结构完好，肌节轮廓完整、清晰可见。

Neatly arranged myofibrils . Each with clear sarcomere .

肌原纤维排列整齐.肌节各带清晰。

The sarcomere of NaCl treatment remained original structure basically except that it seemed less pronounced and had slightly weakening at Z disk .

NaCl处理的肉样肌节基本上保持原有轮廓，只是稍微模糊，且在Z盘处出现轻微弱化。

Control group : sarcomere neatly , Z line clear , mitochondrial cristae density , cell membrane integrity , no swelling , structure is normal .

电镜观察：对照组：肌节排列整齐，Z线清晰，线粒体嵴致密，细胞膜完整，无肿胀，结构正常。

These genes encode sarcomere proteins that , when mutated , cause adult-onset cardiomyopathies .

这些基因编码的肌节蛋白质，当其突变时会导致成人心肌疾病。

HCM has been shown to be caused by various mutations in at least 14 genes , most of which encoding sarcomere proteins .

已经发现14个基因突变后可以导致HCM，其中10个为编码肌小节蛋白的基因。HCM表型变异性比较大，不同致病基因是其原因之一。

Sarcomere changed obviously . The contraction rates of bovine and mutton sarcomere were 34.8 % and 22.2 % respectively .

肌节发生明显收缩，牛肉肌节收缩率为34.8%，羊肉肌节收缩率达22.2%；

There were no significant correlation between the myofibril diameter , sarcomere length , I , A length and muscle quality traits ( P > 0.05 ) .

肌原纤维直径、肌节长度、I带、A带长度与肉质相关不显著（P＞0.05）。

Results The length of sarcomere of rigor mortis without destory is obviously shorter than that of restiffening .

结果死后未破坏的尸僵肌节的长度明显小于尸僵再形成时的长度。

Cytoskeletal components connect sarcomere and extracellular matrix in cells , which constitute a conductive loop of the contractile force to conduct contractile force and provide mechanical support .

在细胞内，细胞骨架成分将肌小节和细胞外基质连接起来，构成一个收缩力的传导环路，起着传导收缩力以及机械支撑的作用。

The sarcomere of PSE pork was shorter than that of normal pork because of the partial denaturation of PSE myosin .

由于PSE肉部分肌球蛋白变性，其肌原纤维的舒展肌节长度总是小于正常肉。

The micro level , the distortion and degradation of Z line , reduction of muscle fiber diameter , increase in sarcomere length and changes in spatial structure of protein improved the tenderness and increased the water retention .

微观上，Z线的扭曲、降解、肌纤维直径减小、肌节长度增加以及蛋白质空间结构的改变导致了宏观上肌肉嫩度改善、保水性提高。

Pretreatment group : tow muscle , the sarcomere structure clearly visible separation of intercalated disc , partial mitochondrial compensatory hyperplasia , proliferation of small amount of lipid droplets , occasional sarcomere contraction .

预处理组：肌丝束、肌节结构清楚，可见闰盘分离，局部线粒体代偿性增生，脂滴少量增生，偶见肌节收缩。

WBSF was correlated significantly ( P < 0.05 ) with moisture content , sarcomere length of raw meat , and cooking losses , total collagen content , sarcomere length and fiber diameter of cooked meat .

剪切力值与原料肉中水分含量和肌节长度、蒸煮损失、熟肉中总胶原蛋白含量、肌节长度和肌纤维直径显著相关（P＜0.05）。

Conclusion The length of sarcomere is negatively correlative to the intensity of rigor mortis . Measuring the length of sarcomere can determine the intensity of rigor mortis and provide evidence for estimation of time since death .

结论肌节长度与尸僵强度呈负相关，说明肌节长度可确定尸僵强度，从而为推断死亡时间提供依据。

The results showed that functional mandibular advancement of rat reduced the number of sarcomere and increased the length of sarcomere in lateral pterygoid muscles ( LPM ), which were just the opposite to the superficial masseter muscles ( SMM ) .

结果表明实验组翼外肌肌小节数比对照组减少，肌小节长度增加；

The A - , I - , and H-bands in the sarcomere are clear , and the Z-lines are distinct , the dyads or triads are located at the H-bands .

肌节A带、I带和H带分明，Z线清晰，二联体或三联体出现在H带处。

With the sarcomere length increasing from 3.0 μ to 4.7 μ, the ratio increased slightly , and the results are in general agreement with the theoretical values calculated on the basis of the one-filament model of the myofibril proposed by Hodge for the indirect flight muscle of Diptera .

当肌小节长度从3.0微米增加到4.7微米，蛋白浓度之比稍稍上升。实验结果和根据Hodge提出的肌原纤维由一组蛋白细丝组成的模型计算的结果大体相符。

Palmaris brevis is connected between palmar aponeurosis and palm ulnar dermis , divided into 3 ~ 4 slices by the loose connective tissue , mainly consisting of tiny red muscle fibers . The sarcomere of palmaris brevis is clear and the mitochondria is developed .

掌短肌连于掌腱膜与掌尺侧真皮之间，且被疏松结缔组织分隔成3～4片，以细小红肌纤维构成为主，肌节清楚，板状嵴线粒体较多。