postganglionic

简明释义

英[ˌpəʊstˌɡæŋɡlɪˈɒnɪk]美[ˌpostɡæŋɡliˈɑnɪk]

adj. （神经）节后的

英英释义

单词用法

同义词

反义词

例句

1.Objective To investigate the localization of free zinc ions in the postganglionic sympathetic neuron of the mouse superior cervical ganglia (SCG).

目的研究游离锌离子在小鼠交感节后神经元中的分布。

2.The parasympathetic postganglionic neurons were found in the pelvic nerve and cloacal ganglion.

副交感节后神经元位于盆神经和泄殖腔神经节内。

3.The postganglionic neurons were mainly located in the stellate ganglion (61.99%), anterior and middle cervical ganglia, and T_2-T_5 ganglia of the sympathetic trunk, bilaterally.

交感节后神经元位于双侧星状神经节(61.99%)和颈前、颈中、T _(2 ~ 5)交感干神经节。

4.The postganglionic neurons were mainly located in the stellate ganglion (61.99%), anterior and middle cervical ganglia, and T_2-T_5 ganglia of the sympathetic trunk, bilaterally.

交感节后神经元位于双侧星状神经节(61.99%)和颈前、颈中、T _(2 ~ 5)交感干神经节。

5.Objective To explore representative region of sympathetic postganglionic neurons innervating visceral organs of abdomen in the celiac-superior mesenteric ganglion.

目的探讨支配腹部内脏器官的交感节后神经元在腹腔-肠系膜上神经节内的代表区。

6.Conclusion: NO in the pterygopalatine and otic ganglia may play an important role in regulating NPY release at the postganglionic fiber ends.

结论：NO可能对翼腭神经节、耳神经节节后神经纤维末梢npy的释放起重要作用。

7.Spring had not yet finished, postganglionic special they have all been released on 3 fold following special routes are everywhere.

春节还没过完，节后特价就已经全部出炉，3折以下的特价航线遍地都是。

8.The sympathetic postganglionic neurons are round and oval in shape; and a few are fusiform lying in the ganglia of sympathetic trunk.

肾交感神经节后神经元，多呈圆形或椭圆形，交感干神经节中有少量呈梭形。

9.Research shows that postganglionic 节后神经元 innervation is essential for proper organ function.

研究表明，节后神经元的神经支配对器官正常功能至关重要。

10.The activation of the sympathetic nervous system involves the release of neurotransmitters from postganglionic 节后神经元 fibers.

交感神经系统的激活涉及从节后神经元纤维释放神经递质。

11.In the autonomic nervous system, postganglionic 节后神经元 neurons play a crucial role in transmitting signals to target organs.

在自主神经系统中，节后神经元神经元在向目标器官传递信号方面发挥着关键作用。

12.The postganglionic 节后神经元 fibers are responsible for the fight-or-flight response.

节后神经元纤维负责战斗或逃跑反应。

13.Drugs that affect postganglionic 节后神经元 activity can be used to treat high blood pressure.

影响节后神经元活动的药物可以用于治疗高血压。

作文

The human nervous system is a complex network that plays a crucial role in regulating bodily functions and responding to external stimuli. One of the key components of this system is the autonomic nervous system, which controls involuntary actions such as heart rate, digestion, and respiratory rate. Within this system, there are two main divisions: the sympathetic and parasympathetic nervous systems. Each division has its own unique pathways and mechanisms, including the involvement of neurons classified as postganglionic (后神经节的). Understanding these neurons is essential for comprehending how our body maintains homeostasis and reacts to stressors.Postganglionic neurons are those that transmit signals from ganglia to target organs or tissues. In the sympathetic division, the postganglionic neurons are typically longer and release neurotransmitters like norepinephrine to prepare the body for 'fight or flight' responses. For instance, when faced with a stressful situation, the sympathetic postganglionic neurons activate the heart to beat faster, dilate the pupils, and redirect blood flow to muscles, enhancing physical performance. This response is crucial for survival, allowing individuals to react swiftly to threats.In contrast, the parasympathetic division utilizes postganglionic neurons that are shorter and primarily release acetylcholine. These neurons work to promote 'rest and digest' activities. For example, after eating, the parasympathetic postganglionic neurons stimulate the digestive system to increase enzyme production and facilitate nutrient absorption. This illustrates the balance maintained by the autonomic nervous system, where the sympathetic and parasympathetic divisions work in harmony to regulate bodily functions.The significance of postganglionic neurons extends beyond just basic physiological responses. They are also involved in various medical conditions and treatments. For instance, dysfunction in these neurons can lead to disorders such as orthostatic hypotension, where a person experiences a sudden drop in blood pressure upon standing. Understanding the role of postganglionic neurons can help clinicians develop targeted therapies to manage such conditions effectively.Furthermore, advances in neuroscience have opened up new avenues for research into the postganglionic pathways. By studying these neurons, scientists aim to uncover potential treatments for neurodegenerative diseases and other disorders that affect the autonomic nervous system. For example, understanding how postganglionic neurons interact with other neural circuits may lead to breakthroughs in treating conditions like Parkinson's disease, where autonomic dysfunction is a common symptom.In conclusion, postganglionic neurons play a vital role in the functioning of the autonomic nervous system. Their ability to transmit signals between ganglia and target organs allows for the regulation of involuntary bodily functions. Whether facilitating the body's response to stress or promoting restorative processes, postganglionic neurons are integral to maintaining homeostasis. As our understanding of these neurons deepens, we may find new ways to address various health issues, ultimately improving the quality of life for many individuals.

人类神经系统是一个复杂的网络，在调节身体功能和响应外部刺激方面发挥着至关重要的作用。这个系统的一个关键组成部分是自主神经系统，它控制心率、消化和呼吸等非自愿动作。在这个系统中，有两个主要的分支：交感神经系统和副交感神经系统。每个分支都有自己独特的通路和机制，包括被分类为后神经节的神经元的参与。理解这些神经元对于理解我们的身体如何维持稳态和对压力源作出反应至关重要。后神经节的神经元是那些将信号从神经节传递到目标器官或组织的神经元。在交感神经系统中，后神经节的神经元通常较长，并释放去甲肾上腺素等神经递质，以准备身体进行“战斗或逃跑”反应。例如，当面临压力情境时，交感后神经节的神经元激活心脏加快跳动，扩张瞳孔，并将血流重新引导到肌肉，从而增强身体表现。这种反应对于生存至关重要，使个体能够迅速应对威胁。相反，副交感神经系统利用后神经节的神经元，这些神经元较短，主要释放乙酰胆碱。这些神经元的作用是促进“休息和消化”活动。例如，在进食后，副交感后神经节的神经元刺激消化系统增加酶的产生，促进营养吸收。这说明了自主神经系统所维持的平衡，在这种平衡中，交感和副交感分支和谐地协同工作，以调节身体功能。后神经节的神经元的重要性不仅限于基本生理反应。它们还涉及各种医疗状况和治疗。例如，这些神经元的功能障碍可能导致直立性低血压等疾病，即人在站立时会突然出现血压下降。理解后神经节的神经元的作用可以帮助临床医生制定针对性的治疗方案，以有效管理这些状况。此外，神经科学的进步为研究后神经节的通路开辟了新的途径。通过研究这些神经元，科学家们旨在揭示潜在的治疗方法，以应对影响自主神经系统的神经退行性疾病和其他疾病。例如，了解后神经节的神经元如何与其他神经回路相互作用，可能会为治疗帕金森病等条件提供突破口，而这类疾病常伴有自主功能障碍。总之，后神经节的神经元在自主神经系统的功能中发挥着至关重要的作用。它们在神经节和目标器官之间传递信号的能力使得非自愿身体功能的调节成为可能。无论是促进身体对压力的反应，还是促进恢复过程，后神经节的神经元都是维持稳态的重要组成部分。随着我们对这些神经元的理解加深，我们可能会找到新的方法来解决各种健康问题，从而最终改善许多人的生活质量。