hindbrain

简明释义

英[ˈhaɪndbreɪn]美[ˈhaɪndbreɪn]

n. [胚] 后脑；脑的最后部

英英释义

单词用法

同义词

反义词

例句

1.The hindbrain sits underneath the back end of the cerebrum, and it consists of the cerebellum, pons, and medulla.

后脑位于大脑后端的下方，由小脑、脑桥和延髓构成。

2.The inner ear, which mediates hearing and equilibrium, develops from an ectodermal placode located adjacent to the developing hindbrain.

内耳是调节听力和平衡的器官，来源于外胚层邻近后脑的生长板。

3.The hindbrain comprises the medulla oblongata and the pons, which connects the spinal cord with higher Brain levels and transfers information from the cerebral cortex to the cerebellum.

后脑由延髓和桥脑组成，连接脊髓和脑的高级部分，也包含将讯息从大脑皮质传到小脑的神经细胞。

4.Something tickled my hindbrain then, and I had to bite my lip to keep from laughing.

就在此时，不知什么东西挠了下我的后脑，我使劲咬住嘴唇才没有笑出来。

5.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。

6.The pons, the cerebellum and the medulla oblongata composed the hindbrain.

脑桥、小脑和延髓组成了后脑。

7.Within the hindbrain, rhombomeres (r) 2 and 6 received inputs in distinct anterior-posterior patterns, potentially indicative of their role in visuomotor transformations.

在后脑内部，菱脑节2，6在独特的前后模式下接收输入信号，暗示其在视觉运动转化中具有作用。

8.The hindbrain is composed of the medulla, pons, and cerebellum.

后脑由延髓、脑桥和小脑组成。

9.Researchers found that the hindbrain plays a crucial role in sleep regulation.

研究人员发现后脑在睡眠调节中起着至关重要的作用。

10.Damage to the hindbrain can lead to serious motor coordination issues.

对后脑的损伤可能导致严重的运动协调问题。

11.The hindbrain controls basic life functions such as breathing and heart rate.

这后脑控制基本的生命功能，如呼吸和心率。

12.During embryonic development, the hindbrain forms from the rhombencephalon.

在胚胎发育过程中，后脑由菱脑形成。

作文

The human brain is a complex organ that can be divided into several parts, each with its own unique functions. One of the most crucial sections of the brain is the hindbrain, which plays a vital role in regulating many of our essential bodily functions. The hindbrain consists of structures such as the medulla oblongata, pons, and cerebellum. Understanding the functions of the hindbrain can help us appreciate how our bodies maintain homeostasis and respond to various stimuli.The medulla oblongata, located at the base of the brainstem, is responsible for controlling involuntary functions such as breathing, heart rate, and blood pressure. This part of the hindbrain acts as a critical communication pathway between the brain and the spinal cord, ensuring that signals are transmitted efficiently. Any damage to the medulla can lead to severe consequences, including respiratory failure or cardiac arrest.Next, the pons serves as a bridge between different parts of the nervous system. It relays messages between the cerebellum and the cerebrum, playing a significant role in sleep regulation and arousal. The pons also contributes to facial expressions and sensations, highlighting its importance in our daily interactions. Without the proper functioning of the hindbrain, our ability to communicate effectively could be severely impaired.The cerebellum, another key component of the hindbrain, is primarily responsible for coordinating voluntary movements and maintaining balance and posture. It ensures that our movements are smooth and precise, allowing us to perform tasks ranging from walking to playing sports. Damage to the cerebellum can result in ataxia, a condition characterized by uncoordinated movements, which can significantly impact an individual’s quality of life.In addition to these functions, the hindbrain is involved in various reflex actions. For instance, when we touch something hot, the hindbrain quickly processes this information and triggers a reflex action to withdraw our hand before we can even consciously register the pain. This rapid response is essential for protecting our bodies from harm.Moreover, the hindbrain is also associated with the regulation of sleep cycles. Research has shown that certain regions within the hindbrain play a role in the transition between wakefulness and sleep, influencing our overall sleep patterns. A well-functioning hindbrain is crucial for ensuring that we get adequate rest, which is essential for cognitive function and overall health.In conclusion, the hindbrain is an indispensable part of the human brain, responsible for many functions that are vital for survival and daily living. Its role in regulating involuntary actions, coordinating movements, and processing sensory information highlights its significance. As we continue to explore the intricacies of the brain, understanding the hindbrain will undoubtedly provide valuable insights into how we function as human beings. By appreciating the complexities of the hindbrain, we can better understand the importance of brain health and the impact it has on our lives.

人脑是一个复杂的器官，可以分为多个部分，每个部分都有其独特的功能。其中一个最重要的部分是小脑，它在调节我们许多基本的身体功能中发挥着至关重要的作用。小脑由延髓、脑桥和小脑等结构组成。理解小脑的功能可以帮助我们欣赏我们的身体如何维持内稳态并对各种刺激作出反应。位于脑干底部的延髓负责控制呼吸、心率和血压等非自愿功能。小脑的这一部分充当大脑和脊髓之间的关键通信通道，确保信号高效传递。任何对延髓的损伤都可能导致严重后果，包括呼吸衰竭或心脏骤停。接下来，脑桥作为神经系统不同部分之间的桥梁。它在小脑和大脑之间传递信息，在睡眠调节和觉醒中发挥重要作用。脑桥还对面部表情和感觉有贡献，突显了它在我们日常互动中的重要性。如果小脑不能正常运作，我们有效沟通的能力可能会受到严重影响。小脑是小脑的另一个关键组成部分，主要负责协调自愿运动以及维持平衡和姿势。它确保我们的运动流畅而精确，使我们能够执行从走路到运动等任务。对小脑的损伤可能导致共济失调，这是一种以运动不协调为特征的疾病，可能会严重影响个人的生活质量。除了这些功能外，小脑还参与各种反射动作。例如，当我们触摸到热物体时，小脑迅速处理此信息，并触发反射动作，以便在我们甚至意识到疼痛之前就撤回手。这种快速反应对于保护我们的身体免受伤害至关重要。此外，小脑还与睡眠周期的调节有关。研究表明，小脑内的某些区域在觉醒和睡眠之间的过渡中发挥作用，影响我们的整体睡眠模式。正常运作的小脑对于确保我们获得足够的休息至关重要，而充足的休息对认知功能和整体健康也是必不可少的。总之，小脑是人脑中不可或缺的一部分，负责许多对生存和日常生活至关重要的功能。它在调节非自愿行为、协调运动和处理感官信息方面的作用突显了它的重要性。随着我们继续探索大脑的复杂性，理解小脑无疑将提供对我们作为人类如何运作的宝贵见解。通过欣赏小脑的复杂性，我们可以更好地理解大脑健康的重要性及其对我们生活的影响。