excitatory

简明释义

英[ɪkˈsaɪtətəri]美[ɪkˈsaɪtəˌtɔːrɪ]

adj. 兴奋的；刺激性的

英英释义

单词用法

同义词

反义词

例句

1.Objective: To study the effect on the excitatory amino acid in hippocampus of conscious rats by long-term ethanol treatment.

目的：探讨长期给酒精对大鼠海马兴奋性氨基酸类神经递质的作用。

2.The results suggest that the PAG may exert an excitatory influence on pontine micturition reflex of the rat.

此结果提示，PAG可能对大鼠脑桥排尿反射活动具有兴奋性调节作用。

3.Results: The release of excess excitatory amino acids caused neuronal death in ischemic retina.

结果：视网膜缺血时兴奋性氨基酸过度释放导致神经元死亡。

4.Excitatory and inhibitory pathways in the hippocampus continue to develop after birth.

海马的兴奋性和抑制性通路在出生后继续发育。

5.Objective to observe the effect of excitatory amino acids receptor agonist on the onset of puberty in female rats.

目的研究兴奋性氨基酸受体激动剂对雌性大鼠青春期启动的影响。

6.The results of this study demonstrate that excitatory amino acid levels in hippocampus DG increased with subsequent ethanol withdrawal periods.

酒精戒断综合征与海马DG区细胞外液兴奋性氨基酸神经递质含量增加有关。

7.These three Bs aid in the manufacture of the excitatory neurotransmitter GABA, as well as serotonin and dopamine, neurotransmitters that regulate mood.

叶酸、维生素B6和维生素B12参与合成兴奋性神经递质氨基丁酸（GABA）和调节情绪的神经递质5-羟色胺、多巴胺。

8.Conclusion Baicalin possesses protective effect on OGD injury in rat brain slices, which is related to its inhibitory effect on excitatory amino acids toxicity.

结论黄芩苷对大鼠脑片缺氧缺糖性损伤具有一定的保护作用，作用机制可能与其抑制了兴奋性氨基酸毒性有关。

9.Its output average membrane potential in the excitatory population standed for the local field potential recorded in scalp EEG.

模型输出的兴奋性神经元群的平均膜电位反映脑电记录的局部电位。

10.The neurotransmitter glutamate is known to be an excitatory 兴奋性的 signal in the brain.

神经递质谷氨酸被认为是大脑中的一种兴奋性信号。

11.In neuroscience, excitatory 兴奋性 synapses increase the likelihood of a neuron firing.

在神经科学中，兴奋性突触增加了神经元发放的可能性。

12.Certain medications can enhance excitatory 兴奋性 pathways to improve mood.

某些药物可以增强兴奋性通路以改善情绪。

13.During learning, excitatory 兴奋性 signals play a crucial role in forming new memories.

在学习过程中，兴奋性信号在形成新记忆中起着至关重要的作用。

14.Some neurons release excitatory 兴奋性 neurotransmitters that stimulate muscle contraction.

一些神经元释放兴奋性神经递质，刺激肌肉收缩。

作文

The human brain is a complex organ that functions through a delicate balance of excitatory and inhibitory signals. These signals play a crucial role in how we think, feel, and behave. In the realm of neuroscience, the term excitatory refers to the type of neurotransmitters that increase the likelihood of a neuron firing an action potential. This process is essential for communication between neurons and is fundamental to our overall cognitive functions. When we learn something new or experience a stimulating environment, our brain releases excitatory neurotransmitters such as glutamate. These chemicals enhance synaptic transmission, allowing for faster and more efficient communication between nerve cells. For example, when you engage in a challenging puzzle or listen to an exciting piece of music, your brain's excitatory pathways are activated, leading to increased alertness and focus. However, it is important to note that while excitatory signals are vital for many brain functions, an excess of these signals can lead to problems. Conditions such as epilepsy are characterized by an overabundance of excitatory activity, which can result in seizures. This highlights the importance of balance in the brain's signaling system. The interplay between excitatory and inhibitory signals is necessary for maintaining homeostasis within the neural circuits. In addition to their role in normal brain function, excitatory neurotransmitters are also involved in various mental health disorders. For instance, excessive excitatory activity has been linked to anxiety and mood disorders. Understanding how these neurotransmitters work can help researchers develop better treatments for such conditions. By targeting excitatory pathways, scientists hope to create medications that can restore balance in the brain, alleviating symptoms for those affected. Moreover, the concept of excitatory signals extends beyond the brain. In muscle physiology, excitatory signals are responsible for initiating muscle contractions. When a motor neuron releases excitatory neurotransmitters at the neuromuscular junction, it triggers the muscle fibers to contract, allowing us to move. This physiological response is crucial for all physical activities, from simple tasks like walking to complex movements required in sports. In conclusion, the term excitatory encompasses a wide range of functions within both the brain and body. Whether it is facilitating communication between neurons or enabling muscle contractions, excitatory signals are fundamental to our daily lives. A deeper understanding of these mechanisms not only enhances our knowledge of neuroscience but also opens up new avenues for treating various neurological and psychological conditions. As research continues to evolve, the significance of excitatory neurotransmitters will undoubtedly remain a key focus in the pursuit of better health outcomes. Overall, recognizing the role of excitatory signals in both health and disease is essential for anyone interested in the workings of the human body. With ongoing research and advancements in neurobiology, we are likely to uncover even more about how excitatory neurotransmitters influence our lives, paving the way for innovative therapies and interventions.

人脑是一个复杂的器官，通过兴奋性和抑制性信号的微妙平衡来运作。这些信号在我们如何思考、感受和行为中起着至关重要的作用。在神经科学领域，术语excitatory指的是增加神经元发放动作电位可能性的神经递质。这一过程对于神经元之间的交流至关重要，并且是我们整体认知功能的基础。 当我们学习新东西或经历刺激性环境时，我们的大脑释放excitatory神经递质，例如谷氨酸。这些化学物质增强突触传递，使神经细胞之间的交流更快、更有效。例如，当你参与一个具有挑战性的拼图或听一段激动人心的音乐时，你大脑的excitatory通路被激活，从而导致警觉性和专注力的提高。 然而，需要注意的是，虽然excitatory信号对许多大脑功能至关重要，但这些信号的过量会导致问题。癫痫等疾病的特征是excitatory活动过多，这可能导致癫痫发作。这突显了大脑信号系统中平衡的重要性。excitatory和抑制性信号之间的相互作用对于维持神经回路内的稳态是必要的。 除了在正常大脑功能中的作用外，excitatory神经递质还与各种心理健康障碍有关。例如，过量的excitatory活动与焦虑和情绪障碍相关。了解这些神经递质的工作原理可以帮助研究人员开发更好的治疗方法。通过靶向excitatory通路，科学家希望创造能够恢复大脑平衡的药物，从而减轻受影响者的症状。 此外，excitatory信号的概念不仅限于大脑。在肌肉生理学中，excitatory信号负责启动肌肉收缩。当运动神经元在神经肌肉接头释放excitatory神经递质时，它会触发肌纤维收缩，使我们能够移动。这种生理反应对于所有身体活动都至关重要，从简单的步行到运动所需的复杂动作。 总之，术语excitatory涵盖了大脑和身体内部的广泛功能。无论是促进神经元之间的交流还是使肌肉收缩，excitatory信号都是我们日常生活的基础。对这些机制的深入理解不仅增强了我们对神经科学的认识，而且为治疗各种神经和心理疾病开辟了新的途径。随着研究的不断发展，excitatory神经递质的重要性无疑将继续成为追求更好健康结果的关键焦点。 总的来说，认识到excitatory信号在健康和疾病中的作用对于任何对人体运作感兴趣的人来说都是至关重要的。随着神经生物学的持续研究和进展，我们可能会揭示更多关于excitatory神经递质如何影响我们生活的内容，为创新疗法和干预措施铺平道路。