neuron
简明释义
n. [解剖] 神经元，神经单位
英英释义
A neuron is a specialized cell in the nervous system that transmits nerve impulses, consisting of a cell body, dendrites, and an axon. | 神经元是神经系统中一种特殊的细胞，负责传递神经冲动，由细胞体、树突和轴突组成。 |
单词用法
运动神经元 |
同义词
反义词
| 胶质细胞 | Glial cells support and protect neurons in the nervous system. | 胶质细胞在神经系统中支持和保护神经元。 | |
| 非神经元细胞 | Non-neuronal cells play a crucial role in maintaining homeostasis in the brain. | 非神经元细胞在维持大脑的稳态中起着至关重要的作用。 |
例句
1.Each neuron seems to be more effective.
每个神经元似乎更为有效。
2.The findings were published in the journal Neuron.
这一研究成果发表在《神经元》杂志上。
3.The current issue of Neuron features a new study on selective memory erasure.
有关神经元的话题引起了人们对消除记忆开展新研究。
4.The work appears in the March 27 issue of the journal Neuron.
这项研究出现在3月27日的《神经》期刊上。
5.Telling one neuron from another under the microscope is not easy.
在显微镜下区分神经元的不同之处是件难事。
6.Adenosine normally depresses neuron firing in many areas of the brain.
腺苷通常会抑制大脑许多区域的神经元活动。
7.Instead, what we see is a different pattern from every neuron.
相反，我们看到的每个神经元的样式不尽相同。
8.When a neuron fires, it sends an electrical signal down its axon.
当一个神经元发射时，它会沿着其轴突发送电信号。
9.Each neuron in the brain communicates with thousands of other neurons to process information.
大脑中的每个神经元与成千上万的其他神经元进行交流以处理信息。
10.Neurotransmitters are chemicals that transmit signals across a synapse between neurons.
神经递质是跨越两个神经元之间突触传递信号的化学物质。
11.The loss of neurons in certain areas of the brain can lead to cognitive decline.
大脑某些区域的神经元丧失可能导致认知能力下降。
12.Glial cells support neurons by providing nutrients and maintaining homeostasis.
胶质细胞通过提供营养和维持稳态来支持神经元。
作文
The human brain is one of the most complex structures in the universe, and at the core of its functioning are specialized cells known as neurons. A neuron (神经元) is a fundamental unit of the nervous system responsible for transmitting information throughout the body. These cells communicate with each other through electrical impulses and chemical signals, allowing us to think, feel, and move. Understanding how neurons (神经元) work is crucial for grasping the intricacies of human behavior and cognition.Each neuron (神经元) consists of three main parts: the cell body, dendrites, and axon. The cell body contains the nucleus and is responsible for maintaining the cell's health. Dendrites are tree-like structures that receive messages from other neurons (神经元), while the axon transmits these messages away from the cell body to other neurons (神经元) or muscles. This structure allows neurons (神经元) to effectively relay information, making them essential for communication within the nervous system.One fascinating aspect of neurons (神经元) is their ability to form connections, known as synapses. When a neuron (神经元) sends a signal, it releases neurotransmitters into the synaptic gap, which then bind to receptors on the receiving neuron (神经元). This process not only facilitates communication but also plays a significant role in learning and memory. The more frequently two neurons (神经元) communicate, the stronger their connection becomes, a principle known as synaptic plasticity.Research has shown that the human brain contains approximately 86 billion neurons (神经元), each capable of forming thousands of synapses. This vast network allows for an incredible range of functions, from basic reflexes to complex decision-making processes. However, neurons (神经元) are also vulnerable to damage from various factors, including injury, toxins, and diseases such as Alzheimer’s and Parkinson’s. Understanding the biology of neurons (神经元) is essential for developing treatments for these conditions.Moreover, advancements in neuroscience have opened new avenues for exploring the potential of neurons (神经元) in regenerative medicine. Researchers are investigating ways to repair or replace damaged neurons (神经元) in conditions like spinal cord injuries or neurodegenerative diseases. Stem cell therapy, for instance, holds promise for generating new neurons (神经元) that can integrate into existing neural networks, potentially restoring lost functions.In conclusion, neurons (神经元) are the building blocks of our nervous system, playing a vital role in every aspect of our lives. From the simplest reflex actions to the most complex thoughts and emotions, these cells enable us to interact with our environment and each other. As we continue to unravel the mysteries of neurons (神经元), we move closer to understanding the very essence of what it means to be human. The study of neurons (神经元) not only enhances our knowledge of biology but also offers hope for innovative treatments that could improve the quality of life for millions of people affected by neurological disorders.
