gyri

简明释义

英[ˈdʒaɪraɪ]美[ˈdʒaɪəraɪ]

n. 脑回（形成大脑半球的组织 gyrus 的复数）

英英释义

单词用法

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例句

1.It is a reliable and accurate method to localize the gyri and lobes according to the pattern of medullary branches.

矢状面上利用髓突定位脑回、脑叶准确可靠，为一种较为实用的方法。

2.Purpose Significance to study of the central sulcus, precentral and postcentral gyri by MR imaging, to determine its location for application of the clinic.

目的通过使用磁共振影像技术来研究中央沟及其相邻解剖结构在影像中的特征性表现。

3.Results: Various fissures, sulci and gyri of the fetal brain appeared sequentially according to the chronological stages and were demonstrated very well on MR imaging.

结果：MR成像能很好地显示某些脑裂、脑沟及脑回按时间依次出现的过程；

4.MAIN OUTCOME MEASURES: Glucose metabolism of bilateral frontal lobes, bilateral caudate nuclei, bilateral cingulate gyri and bilateral cerebella.

主要观察指标：双侧额叶、尾核、扣带回和小脑葡萄糖代谢显像的半定量分析。

5.The characteristic feature is the presence of "tubers" which are enlarged and firm, whitened gyri.

组织学上的特征表现为出现结节，它是扩大、变硬、变白的脑回。

6.Results 5 normal cases with surface anatomy scanning showed excellent visualization of the sulci and gyri on the surface of the brain.

结果5例正常扫描均能清楚地显示中央沟、外侧裂等大脑半球的主要沟回。

7.The human brain is composed of numerous folds known as gyri (脑回) that increase its surface area.

人脑由许多称为gyri（脑回）的褶皱组成，以增加其表面积。

8.In neuroanatomy, the gyri (脑回) are critical for understanding brain function.

在神经解剖学中，gyri（脑回）对于理解大脑功能至关重要。

9.The frontal lobe contains several important gyri (脑回) that play a role in decision-making.

额叶包含几个重要的gyri（脑回），在决策过程中发挥作用。

10.Researchers study the patterns of gyri (脑回) to learn more about cognitive functions.

研究人员研究gyri（脑回）的模式，以了解更多关于认知功能的信息。

11.Damage to specific gyri (脑回) can lead to various neurological disorders.

特定gyri（脑回）的损伤可能导致各种神经系统疾病。

作文

The human brain is a complex organ, composed of numerous structures that work together to facilitate our thoughts, emotions, and actions. One of the most fascinating aspects of the brain's anatomy is the presence of folds known as gyri (脑回). These gyri are the raised portions of the cerebral cortex, which significantly increase the surface area of the brain, allowing for more neurons to be packed into a smaller volume. This increased surface area is crucial for higher cognitive functions, such as reasoning, problem-solving, and planning. Each gyrus (单数形式) has a specific role in processing various types of information. For instance, the precentral gyrus, located in the frontal lobe, is responsible for voluntary motor control. This means that when we decide to move a part of our body, it is the neurons in this gyrus that are activated to carry out those movements. On the other hand, the postcentral gyrus, found in the parietal lobe, plays a critical role in sensory perception, allowing us to feel touch, temperature, and pain. The intricate patterns of gyri and their corresponding grooves, called sulci, create a unique landscape on the surface of the brain. This folding pattern is not only important for increasing the brain's capacity but also for organizing its functionalities. Each region of the brain, defined by these gyri and sulci, is specialized for different tasks, contributing to the overall efficiency of neural processing. Moreover, studies in neuroscience have shown that the arrangement and size of gyri can vary significantly among individuals. This variation may correlate with differences in cognitive abilities or susceptibility to certain neurological conditions. For example, research has indicated that individuals with a greater number of gyri in certain areas may perform better on tasks requiring complex problem-solving skills. Understanding the role of gyri in the brain's architecture not only enhances our knowledge of human biology but also opens doors for advancements in medical science. By exploring how these structures function and interact, researchers hope to develop better treatments for conditions such as Alzheimer's disease, schizophrenia, and other mental health disorders. The relationship between gyri and cognitive function is an exciting area of study, leading to potential breakthroughs in understanding how our brains work and how they can be healed. In conclusion, gyri (脑回) are more than just anatomical features of the brain; they are essential components that contribute to our ability to think, feel, and act. Their intricate design allows for a highly efficient processing system that underpins our daily experiences and interactions. As we continue to explore the mysteries of the brain, the significance of gyri will undoubtedly remain a focal point in both scientific research and our understanding of what it means to be human.