myelencephalon

简明释义

英[ˌmaɪɪlenˈsefəˌlɒn]美[ˌmaɪəlenˈsefəˌlɑːn]

n. 脑脊髓；[胚] 末脑

复 数 m y e l e n c e p h a l o n s 或 m y e l e n c e p h a l a

英英释义

单词用法

同义词

反义词

例句

1.Damage to the myelencephalon can lead to severe respiratory issues.

对髓脑的损伤可能导致严重的呼吸问题。

2.The myelencephalon plays a role in the autonomic nervous system.

髓脑在自主神经系统中起着作用。

3.The brainstem, which includes the myelencephalon, is crucial for regulating vital functions.

脑干，包括髓脑，对调节生命功能至关重要。

4.Researchers are studying how the myelencephalon affects motor control.

研究人员正在研究髓脑如何影响运动控制。

5.In embryonic development, the myelencephalon forms from the hindbrain.

在胚胎发育中，髓脑来自后脑。

作文

The brain is a complex organ that controls various functions of the body. One of its lesser-known parts, the myelencephalon, plays a crucial role in regulating vital bodily functions. The myelencephalon is part of the hindbrain, located just above the spinal cord. It is responsible for several autonomic functions, including breathing, heart rate, and blood pressure regulation. Understanding the structure and function of the myelencephalon can provide insight into how our bodies maintain homeostasis and respond to environmental changes.Anatomically, the myelencephalon consists of the medulla oblongata and the lower part of the fourth ventricle. The medulla oblongata is essential for transmitting signals between the brain and spinal cord. It contains centers that control involuntary actions such as swallowing, vomiting, and reflexes like coughing and sneezing. This part of the brain also houses pathways that relay sensory information from the body to higher brain regions, which is critical for processing and responding to stimuli.In addition to its role in regulating basic life functions, the myelencephalon is also involved in more complex behaviors. For instance, it plays a part in the sleep-wake cycle and can influence emotional responses. Disruptions in the functioning of the myelencephalon can lead to significant health issues. Conditions such as stroke or traumatic brain injury can affect this region, resulting in problems with autonomic regulation, which may manifest as irregular heartbeats or difficulty breathing.Research into the myelencephalon has expanded our understanding of neurological disorders. For example, studies have shown that abnormalities in the medulla oblongata can be linked to sleep apnea, a condition characterized by interrupted breathing during sleep. By investigating the myelencephalon, scientists hope to develop better treatments for such conditions, improving the quality of life for affected individuals.Moreover, the myelencephalon is not only vital for human health but also offers insights into evolutionary biology. The similarities in the structure and function of the myelencephalon across different species suggest that it plays a fundamental role in survival. This conservation of function highlights the importance of the myelencephalon throughout evolution, emphasizing its role in basic life-sustaining processes.In conclusion, the myelencephalon is an essential component of the brain that regulates many involuntary functions necessary for life. Its influence extends beyond basic physiological processes, impacting behaviors and overall health. As research continues to uncover the complexities of the myelencephalon, we gain valuable knowledge that could lead to advancements in medical science and improved therapeutic approaches for various health conditions. Understanding the myelencephalon is not just about grasping a single term; it is about appreciating the intricate workings of the brain that sustain our very existence.

大脑是一个复杂的器官，控制着身体的各种功能。其中一个鲜为人知的部分——髓脑，在调节重要的身体功能方面发挥着至关重要的作用。髓脑是后脑的一部分，位于脊髓正上方。它负责多种自主功能，包括呼吸、心率和血压调节。理解髓脑的结构和功能可以帮助我们深入了解身体如何维持内环境稳态以及如何应对环境变化。在解剖学上，髓脑由延髓和第四脑室的下部组成。延髓对信号在大脑和脊髓之间的传递至关重要。它包含控制吞咽、呕吐和咳嗽、打喷嚏等反射的中心。大脑的这一部分还包含将身体的感觉信息传递到更高大脑区域的通路，这对于处理和响应刺激至关重要。除了调节基本生命功能的作用外，髓脑还参与更复杂的行为。例如，它在睡眠-觉醒周期中发挥作用，并能影响情绪反应。髓脑功能的干扰可能导致显著的健康问题。中风或创伤性脑损伤等情况可能影响这一区域，导致自主调节出现问题，表现为心跳不规律或呼吸困难。对髓脑的研究扩展了我们对神经系统疾病的理解。例如，研究表明，延髓的异常与睡眠呼吸暂停有关，这是一种在睡眠中呼吸中断的状况。通过调查髓脑，科学家希望开发出更好的治疗方法，从而改善受影响个体的生活质量。此外，髓脑不仅对人类健康至关重要，还为进化生物学提供了见解。不同物种之间髓脑的结构和功能相似性表明，它在生存中发挥着基本作用。这种功能的保守性突显了髓脑在整个进化过程中的重要性，强调了其在基本生命维持过程中的作用。总之，髓脑是大脑的重要组成部分，调节许多维持生命所必需的非自愿功能。它的影响超越了基本生理过程，影响着行为和整体健康。随着研究继续揭示髓脑的复杂性，我们获得了宝贵的知识，可能会导致医学科学的进步和各种健康状况的改善治疗方法。理解髓脑不仅仅是掌握一个术语；而是欣赏维持我们生存的大脑复杂运作。