acetylcholine

简明释义

英[ˌæsɪtaɪlˈkəʊliːn]美[ˌæsətɪlˈkolin]

n. [有化] 乙酰胆碱

英英释义

单词用法

同义词

反义词

例句

1.Research has shown that levels of acetylcholine are deficient in the brains of patients with Alzheimer's disease.

研究表明，乙酰胆碱水平在阿尔茨海默氏症患者大脑中有缺陷。

2.Normal age-re-lated memory loss is also linked to a loss of acetylcholine.

正常与年龄有关的失忆也与乙酰胆碱的流失有关。

3.Neurotransmitters such as acetylcholine are chemicals released from nerve cells that transmit messages to other nerve cells.

诸如乙酰胆碱这样的神经递质是一种由神经细胞释放的化学物质，用于向其他神经细胞传递信息。

4.It is a competitive antagonist for the muscarinic acetylcholine receptor.

这是一个竞争的毒蕈碱型乙酰胆碱受体拮抗剂。

5.The nicotine interacts with acetylcholine, which is an important neurotransmitter and messenger when the brain is developing during the foetal stage.

尼古丁与乙酰胆碱相互作用，乙酰胆碱是一种胎儿时期大脑发育的重要神经递质和信使。

6.These drugs are known as anticholinergic agents and are designed to block acetylcholine.

这些药物被称为抗胆碱能制剂和旨在阻止乙酰胆碱。

7.Acetylcholine Was used for a laboratory reference standard.

乙酰胆碱可作为实验室参考标准。

8.Low levels of acetylcholine have been linked to Alzheimer's disease and poor memory.

阿尔茨海默病的形成和记忆力地下就与胆碱的缺乏有关。

9.The result of learning and memory mechanism test showed that this liquid obviously increases the level of brain acetylcholine of mice.

对学习记忆机制分析结果表明，“小精灵”口服液可显著增加小鼠脑中的神经递质乙酰胆碱含量。

10.Certain medications can inhibit the action of acetylcholine, leading to dry mouth.

某些药物可以抑制乙酰胆碱的作用，导致口干。

11.The release of acetylcholine at the neuromuscular junction is essential for initiating movement.

在神经肌肉接头释放乙酰胆碱对启动运动至关重要。

12.Alzheimer's disease is associated with a deficiency of acetylcholine in the brain.

阿尔茨海默病与大脑中乙酰胆碱的缺乏有关。

13.In the autonomic nervous system, acetylcholine is involved in regulating heart rate.

在自主神经系统中，乙酰胆碱参与调节心率。

14.The neurotransmitter acetylcholine plays a crucial role in muscle contraction.

神经递质乙酰胆碱在肌肉收缩中起着至关重要的作用。

作文

Acetylcholine is a crucial neurotransmitter in the human body that plays a significant role in various physiological functions. It was first discovered in the early 20th century and has since been recognized for its importance in both the central and peripheral nervous systems. The primary function of acetylcholine (乙酰胆碱) is to transmit signals between nerve cells and muscles, which is essential for muscle contraction and movement. This neurotransmitter is synthesized in the presynaptic neuron and released into the synaptic cleft when an action potential occurs. Once released, acetylcholine (乙酰胆碱) binds to specific receptors on the postsynaptic membrane, leading to various physiological responses. In skeletal muscles, the binding of acetylcholine (乙酰胆碱) to nicotinic receptors triggers muscle contraction, allowing us to perform voluntary movements. In the autonomic nervous system, acetylcholine (乙酰胆碱) can activate muscarinic receptors, influencing heart rate, glandular secretions, and smooth muscle contraction. The role of acetylcholine (乙酰胆碱) extends beyond muscle control; it is also involved in cognitive functions such as memory and learning. Research has shown that deficiencies in acetylcholine (乙酰胆碱) levels are linked to neurodegenerative diseases like Alzheimer's. Patients with Alzheimer's disease often exhibit reduced levels of acetylcholine (乙酰胆碱), which contributes to the cognitive decline associated with this condition. As a result, medications that increase acetylcholine (乙酰胆碱) availability, such as cholinesterase inhibitors, are commonly used to manage symptoms in these patients. Moreover, acetylcholine (乙酰胆碱) plays a vital role in the regulation of the sleep-wake cycle. It promotes wakefulness and alertness during the day while also being involved in REM sleep, which is essential for dreaming and memory consolidation. The complex interplay between acetylcholine (乙酰胆碱) and other neurotransmitters, such as dopamine and serotonin, highlights its importance in maintaining mental health and overall well-being. In summary, acetylcholine (乙酰胆碱) is a multifunctional neurotransmitter that is integral to both motor control and cognitive functions. Its involvement in various physiological processes underscores its significance in the human body. Understanding the mechanisms by which acetylcholine (乙酰胆碱) operates can lead to better therapeutic strategies for conditions related to its dysregulation. As research continues to evolve, the potential for targeting acetylcholine (乙酰胆碱) pathways may offer new hope for treating neurological disorders and enhancing cognitive performance in healthy individuals.

乙酰胆碱是人体内一种至关重要的神经递质，在各种生理功能中发挥着重要作用。它在20世纪初首次被发现，自那时以来，因其在中枢和外周神经系统中的重要性而受到认可。acetylcholine（乙酰胆碱）的主要功能是传递神经细胞与肌肉之间的信号，这对于肌肉收缩和运动至关重要。该神经递质在突触前神经元中合成，并在动作电位发生时释放到突触间隙中。一旦释放，acetylcholine（乙酰胆碱）便会与突触后膜上的特定受体结合，导致各种生理反应。在骨骼肌中，acetylcholine（乙酰胆碱）与尼古丁受体结合触发肌肉收缩，使我们能够进行自愿运动。在自主神经系统中，acetylcholine（乙酰胆碱）可以激活毒蕈碱受体，影响心率、腺体分泌和光滑肌收缩。acetylcholine（乙酰胆碱）的作用不仅限于肌肉控制；它还参与认知功能，如记忆和学习。研究表明，acetylcholine（乙酰胆碱）水平的缺乏与阿尔茨海默病等神经退行性疾病有关。阿尔茨海默病患者通常表现出acetylcholine（乙酰胆碱）水平降低，这导致与该病相关的认知衰退。因此，增加acetylcholine（乙酰胆碱）可用性的药物（如胆碱酯酶抑制剂）通常用于管理这些患者的症状。此外，acetylcholine（乙酰胆碱）在调节睡眠-觉醒周期中也起着至关重要的作用。它在白天促进清醒和警觉，同时也参与REM睡眠，这对做梦和记忆巩固至关重要。acetylcholine（乙酰胆碱）与其他神经递质（如多巴胺和血清素）之间的复杂相互作用突显了其在维持心理健康和整体福祉方面的重要性。总之，acetylcholine（乙酰胆碱）是一种多功能的神经递质，对运动控制和认知功能至关重要。它在各种生理过程中的参与凸显了其在人体中的重要性。理解acetylcholine（乙酰胆碱）运作机制可以为与其失调相关的疾病提供更好的治疗策略。随着研究的不断发展，针对acetylcholine（乙酰胆碱）通路的潜力可能为治疗神经疾病和增强健康个体的认知表现提供新的希望。