mesencephalon

简明释义

英[ˌmesenˈsefəˌlɒn]美[ˌmesenˈsefəˌlɑːn]

n. [解剖] 中脑

复 数 m e s e n c e p h a l a

英英释义

单词用法

同义词

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例句

1.The posterior part of the forebrain that connects the mesencephalon with the cerebral hemispheres, encloses the third ventricle, and contains the thalamus and hypothalamus.

间脑位于将中脑与大脑两半球相连的前脑后部，包着第三室，内包含有丘脑和下丘脑。

2.It is activated from the brainstem reticulospinal neurones, which in turn are controlled from diencephalon and mesencephalon with separate populations of locomotor command neurones.

运动是由脑干区域的网状脊髓神经元所引起，而这些神经元又是被间脑和中脑分离的一些运动命令神经元群所控制。

3.It is activated from the brainstem reticulospinal neurones, which in turn are controlled from diencephalon and mesencephalon with separate populations of locomotor command neurones.

运动是由脑干区域的网状脊髓神经元所引起，而这些神经元又是被间脑和中脑分离的一些运动命令神经元群所控制。

4.This artery supplies portions of the MESENCEPHALON (see also BRAIN STEM INFARCTIONS) and thalamus, inferomedial TEMPORAL LOBE, and medial OCCIPITAL LOBE.

此动脉向中脑（也参脑干梗塞）和丘脑部分、颞叶中下部及枕叶中部供血。

5.The portion of the brain, consisting of the medulla oblongata, pons Varolii, and mesencephalon, that connects the spinal cord to the forebrain and cerebrum.

大脑的一部分，由延髓、脑桥和中脑组成，连接脊髓与前脑和大脑。

6.Results All three subtypes of dopamine receptors were expressed in neurospheres both from mesencephalon and from hippocampus.

结果在神经球细胞中三种多巴胺受体均有表达，中脑与海马来源的神经球细胞无显著差异。

7.Vertebrate Brains consist of the hindbrain (rhombencephalon), midbrain (mesencephalon), and forebrain (prosencephalon).

高等脊椎动物的脑包括后脑、中脑和前脑。

8.In the mesencephalon, OXB-IR fibers were located in the central gray substance, superior and inferior colliculi, interpeduncular nucleus and raphe nuclei.

在中脑分布于中脑中央灰质、前丘、后丘、脚间核和中缝核；

9.The mesencephalon plays a crucial role in the regulation of sleep and wakefulness.

中脑mesencephalon在调节睡眠和清醒方面起着关键作用。

10.Damage to the mesencephalon can lead to difficulties in motor control.

中脑mesencephalon的损伤可能导致运动控制困难。

11.Researchers are studying how the mesencephalon contributes to reflex actions.

研究人员正在研究中脑mesencephalon如何促进反射动作。

12.In a neurological examination, doctors often assess the function of the mesencephalon.

在神经检查中，医生通常会评估中脑mesencephalon的功能。

13.The mesencephalon is responsible for processing visual and auditory information.

中脑mesencephalon负责处理视觉和听觉信息。

作文

The human brain is a complex organ that controls various functions of the body. Among its many parts, the mesencephalon plays a crucial role in processing visual and auditory information. The mesencephalon, also known as the midbrain, is located between the forebrain and the hindbrain. It is essential for functions such as motor control, vision, hearing, and the regulation of body temperature.One of the key features of the mesencephalon is its involvement in the coordination of movements. It contains structures like the superior colliculus and inferior colliculus, which are responsible for visual and auditory reflexes, respectively. For instance, when a person hears a sudden loud noise, the inferior colliculus helps to determine the direction of the sound, allowing the individual to react quickly. This reflexive response is vital for survival, as it enables humans and animals to respond to potential dangers in their environment.Moreover, the mesencephalon is integral to the reward system of the brain. It houses the substantia nigra and the ventral tegmental area, which are rich in dopamine-producing neurons. These areas are associated with pleasure, motivation, and reward-based learning. When we engage in activities that bring us joy, such as eating our favorite food or achieving a personal goal, the mesencephalon releases dopamine, creating a feeling of happiness and reinforcing the behavior. This mechanism is not only important for personal satisfaction but also plays a significant role in addiction, where substances can hijack this reward pathway.In addition to its roles in sensory processing and reward, the mesencephalon is also involved in regulating sleep patterns. The reticular formation, which is part of the mesencephalon, helps to maintain alertness and wakefulness. It filters incoming stimuli and determines which signals are important enough to reach our conscious awareness. This function is crucial for focusing attention and responding appropriately to our surroundings.Understanding the mesencephalon is essential for neuroscientists and medical professionals, especially when studying neurological disorders. Conditions such as Parkinson's disease are linked to the degeneration of dopamine-producing neurons in the substantia nigra, which is part of the mesencephalon. Symptoms of this disease include tremors, stiffness, and difficulty with movement, highlighting the importance of this brain region in maintaining motor control and overall quality of life.In conclusion, the mesencephalon is a vital component of the brain that influences various aspects of our daily lives, from sensory processing to motor control and emotional responses. Its intricate connections and functions underscore the complexity of the human brain and the importance of continued research in understanding how these systems work together. By studying the mesencephalon, we can gain insights into both normal brain function and the underlying causes of neurological disorders, paving the way for potential treatments and interventions.

人脑是一个复杂的器官，控制着身体的各种功能。在它的许多部分中，mesencephalon（中脑）在处理视觉和听觉信息方面发挥着至关重要的作用。mesencephalon位于前脑和后脑之间，对于运动控制、视觉、听觉以及体温调节等功能至关重要。mesencephalon的一个关键特征是它在运动协调中的参与。它包含了如上丘和下丘等结构，分别负责视觉和听觉反射。例如，当一个人听到突然的巨响时，下丘帮助确定声音的方向，使个体能够迅速反应。这种反射性反应对生存至关重要，因为它使人类和动物能够对环境中的潜在危险做出反应。此外，mesencephalon对于大脑的奖励系统也至关重要。它包含黑质和腹侧被盖区，这些区域富含多巴胺产生神经元。这些区域与快乐、动机和基于奖励的学习相关。当我们参与带来快乐的活动时，如吃自己喜欢的食物或实现个人目标，mesencephalon释放多巴胺，产生幸福感并强化这种行为。这一机制不仅对个人满足感重要，也在成瘾中发挥重要作用，物质可以劫持这一奖励通路。除了在感官处理和奖励中的作用外，mesencephalon还参与调节睡眠模式。网状结构是mesencephalon的一部分，帮助维持警觉性和清醒状态。它过滤进入的刺激，决定哪些信号足够重要以达到我们的意识。这一功能对于集中注意力和适当地响应周围环境至关重要。理解mesencephalon对神经科学家和医学专业人士尤其重要，特别是在研究神经疾病时。帕金森病等疾病与mesencephalon中多巴胺产生神经元的退化有关。这种疾病的症状包括震颤、僵硬和运动困难，突显了该脑区在维持运动控制和整体生活质量中的重要性。总之，mesencephalon是大脑的重要组成部分，影响着我们日常生活的各个方面，从感官处理到运动控制和情感反应。它复杂的连接和功能突显了人脑的复杂性，以及继续研究理解这些系统如何协同工作的必要性。通过研究mesencephalon，我们可以深入了解正常大脑功能及神经疾病的潜在原因，为可能的治疗和干预铺平道路。