sarcomere

简明释义

英[ˈsɑːkə(ʊ)mɪə]美[ˈsɑrkəˌmɪr]

n. 肌节，肌原纤维节

英英释义

单词用法

同义词

反义词

例句

1.In the present experiments, it was confirmed the sarcomere length near the ends of the muscle was shorter than in the middle and the sarcomere length variation in the middle was extremely small.

本实验证实肌肉两端的肌节长度小于肌肉中部的肌节长度，而中部肌节长度的变化很小。

2.In the present experiments, it was confirmed the sarcomere length near the ends of the muscle was shorter than in the middle and the sarcomere length variation in the middle was extremely small.

本实验证实肌肉两端的肌节长度小于肌肉中部的肌节长度，而中部肌节长度的变化很小。

3.No other sarcomere gene mutations identified in the remaining probands caused apical HCM in other family members.

并没有在其余的患者发现别的肌节蛋白基因突变以造成其他家庭成员的心尖肥厚型心肌病。

4.Background - Titin is a giant protein crucial for the assembly and elasticity of the sarcomere.

肌联蛋白是一种巨型蛋白，对肌小节的组成和弹性有重要作用。

5.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。

6.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。

7.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。

8.The basic unit of muscle contraction is the sarcomere, which is responsible for the striated appearance of skeletal muscle.

肌肉收缩的基本单位是肌节，它负责骨骼肌条纹状的外观。

9.When a muscle contracts, the sarcomere shortens, pulling the actin filaments closer together.

当肌肉收缩时，肌节缩短，将肌动蛋白丝拉得更近。

10.Each sarcomere consists of thick and thin filaments that slide past each other during contraction.

每个肌节由在收缩过程中相互滑动的粗丝和细丝组成。

11.Damage to the sarcomere can lead to muscle weakness and impaired movement.

对肌节的损伤可能导致肌肉无力和运动受损。

12.Research on sarcomere structure helps us understand various muscle diseases.

对肌节结构的研究帮助我们理解各种肌肉疾病。

作文

The human body is a complex machine, and at the microscopic level, it operates through various intricate components. One of the fundamental units of muscle tissue is the Sarcomere, which plays a crucial role in muscle contraction and overall movement. Understanding the structure and function of the Sarcomere is essential for anyone interested in biology, medicine, or physical fitness. A Sarcomere is defined as the basic structural and functional unit of striated muscle fibers. It is composed of long, fibrous proteins that slide past each other when the muscle contracts and relaxes. Each Sarcomere is bordered by Z-discs, which are dense protein structures that anchor the thin filaments made of actin. The thick filaments, primarily composed of myosin, interact with the thin filaments to produce muscle contractions. This sliding filament theory explains how muscles generate force and movement, making the Sarcomere an essential component in understanding muscle physiology. When we consider the importance of the Sarcomere, it becomes evident that it is not just a static structure but a dynamic one that responds to various physiological demands. During exercise, for example, the number of activated Sarcomeres increases, leading to stronger and more efficient muscle contractions. This adaptability is crucial for athletes who need to optimize their performance. Furthermore, the size and number of Sarcomeres can change with training, a phenomenon known as muscle hypertrophy. This adaptation allows muscles to handle greater loads over time, demonstrating the remarkable ability of the body to adjust to increased physical challenges. In addition to their role in healthy muscle function, Sarcomeres are also involved in various muscle disorders. Conditions such as muscular dystrophy and heart disease can disrupt the normal functioning of Sarcomeres, leading to weakness and dysfunction. Research into these conditions often focuses on the molecular components of the Sarcomere, aiming to identify potential therapeutic targets. Understanding the intricacies of Sarcomeres not only enhances our knowledge of muscle biology but also opens doors to innovative treatments for muscle-related diseases. Moreover, the study of Sarcomeres extends beyond human physiology. In animals, the structure and function of Sarcomeres can vary significantly, influencing their movement and strength. For instance, fast-twitch muscle fibers, which contain fewer Sarcomeres, are designed for quick bursts of energy, while slow-twitch fibers, rich in Sarcomeres, are more suited for endurance activities. This diversity highlights the evolutionary adaptations of muscles across different species, showcasing the versatility of the Sarcomere in various biological contexts. In conclusion, the Sarcomere is a vital component of muscle tissue, integral to our understanding of movement, strength, and overall health. By studying the Sarcomere, we gain insights into how muscles function, adapt, and respond to various stimuli. Whether in the context of athletic training, rehabilitation, or medical research, the Sarcomere remains a key focus for scientists and practitioners alike. As we continue to explore the complexities of muscle biology, the Sarcomere will undoubtedly remain at the forefront of our efforts to understand and improve human health and performance.

人体是一个复杂的机器，在微观层面上，它通过各种复杂的组成部分运作。肌肉组织的基本单位之一是Sarcomere，它在肌肉收缩和整体运动中发挥着至关重要的作用。理解Sarcomere的结构和功能对于任何对生物学、医学或身体健康感兴趣的人来说都是至关重要的。 Sarcomere被定义为条纹肌纤维的基本结构和功能单位。它由长的纤维蛋白组成，这些蛋白在肌肉收缩和放松时相互滑动。每个Sarcomere由Z盘边界，这些密集的蛋白质结构锚定了由肌动蛋白构成的细丝。主要由肌球蛋白组成的粗丝与细丝相互作用，产生肌肉收缩。这种滑动纤维理论解释了肌肉如何产生力量和运动，使得Sarcomere成为理解肌肉生理学的一个重要组成部分。 当我们考虑Sarcomere的重要性时，很明显它不仅是一个静态结构，而是一个动态结构，可以响应各种生理需求。例如，在锻炼过程中，激活的Sarcomere数量增加，导致更强和更有效的肌肉收缩。这种适应能力对需要优化表现的运动员至关重要。此外，Sarcomere的大小和数量可以随着训练而变化，这一现象称为肌肉肥大。这种适应使肌肉能够随着时间的推移承受更大的负荷，展示了身体在面对增加的身体挑战时的惊人适应能力。 除了在健康肌肉功能中的作用外，Sarcomere还涉及各种肌肉疾病。诸如肌营养不良症和心脏病等疾病可能会干扰Sarcomere的正常功能，导致虚弱和功能障碍。对这些疾病的研究通常集中在Sarcomere的分子成分上，旨在确定潜在的治疗靶点。理解Sarcomere的复杂性不仅增强了我们对肌肉生物学的知识，也为肌肉相关疾病的创新治疗开辟了新的方向。 此外，Sarcomere的研究超越了人类生理学。在动物中，Sarcomere的结构和功能可能会显著不同，影响它们的运动和力量。例如，快速收缩肌纤维含有较少的Sarcomere，设计用于短暂的能量爆发，而慢收缩纤维富含Sarcomere，更适合耐力活动。这种多样性突显了不同物种肌肉的进化适应，展示了Sarcomere在各种生物学背景中的多功能性。 总之，Sarcomere是肌肉组织的重要组成部分，对于我们理解运动、力量和整体健康至关重要。通过研究Sarcomere，我们获得了对肌肉如何运作、适应和响应各种刺激的深入了解。无论是在运动训练、康复还是医学研究的背景下，Sarcomere始终是科学家和从业者关注的重点。随着我们继续探索肌肉生物学的复杂性，Sarcomere无疑将继续处于我们理解和改善人类健康和表现的努力的最前沿。