presynaptic

Studies on autoimmunity of myasthenia gravis I. detection of presynaptic membrane antibody ( pr mab) in myasthenia gravis

重症肌无力的自身免疫性研究Ⅰ.重症肌无力抗突触前膜抗体的检测

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The defining morphological feature of chemical synapses is the vesicle cluster in the presynaptic nerve terminal.

突触小泡即刻可释放池的结构组织化学突触的定义形态学特征是突触前神经终端小泡群.

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[ Background and aims] Botulinum Toxin-A exerts its paralytic action on gastrointestinal smooth muscle by binding strongly to presynaptic cholinergic nerve terminals at the neuromuscular junction to inhibit acetylcholine release.

[背景与目的]：近年来发现，A型肉毒毒素（BTA）可抑制副交感和胆碱能节后交感神经元乙酰胆碱（ACh）释放，抑制胃肠道平滑肌收缩。

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And the opening proportion of chemical-gated ion channels on postsynaptic membrane was positively related to the potential of presynaptic membrane.

突触后膜上化学门控离子通道的开放比例与突触前膜电位呈正相关；

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Detection of Three Kinds of Antibodies to Presynaptic Membrane Binding Protein in Myasthenia Gravis

重症肌无力三种突触前膜结合蛋白抗体的检测

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A neurotransmitter must be present within the presynaptic neuron.

突触前神经元必须存在神经递质.

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Correlated pre-and postsynaptic activity that induces long-term potentiation is known to induce a persistent enhancement of the intrinsic excitability of the presynaptic neuron.

突触前-后神经元的相关活动能够诱导长时程增强（LTP）现象，同时也可以持续的提高突触前神经元内在兴奋性。

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A significant reduction in the number of synaptic with nuclear presynaptic membrane and postsynaptic membrane, and a low density in postsynaptic dense zone.

模型组神经元突触数量明显减少，突触前、后膜结构模糊不清，突触后致密区密度低。

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The primary function of the presynaptic nerve terminals is to release quantum transmitter and thus activate the postsynaptic target cell.

突触前神经末梢的主要作用是以量子方式释放神经递质，并以此激活突触后的靶细胞。

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To Investigate a Chronic Kindling Epilepsy Animal Model with Presynaptic Membrane Protein ( Munc-18) Antibody

神经突触前膜蛋白（Munc-18）抗体慢性点燃癫癎动物模型的探索

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Results The length of postsynaptic membrane decreased obviously. The ratio of the length of postsynaptic with presynaptic membrane, and that the motor nerve terminal area with postsynaptic membrane area diminished. The AChR on the postsynaptic membrane decreased by 35.9 percent as well.

结果MG时突触后膜长度缩短，后、前膜长度比值变小，神经末端面积及其与突触后膜面积之比变小，突触后膜上的乙酰胆碱受体（AChR）减少了35.9%。

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The IEI analysis by time-IEI graphs and return maps showed that the main temporal structure of presynaptic input trains could be detected in postsynaptic output trains, especially under brief-burst stimulation.

用时间-IEI图与回归映射的方法分析IEI序列，结果表明在突触后输出脉冲序列中可以检测到突触前脉冲序列的主要时间结构特征，特别是在短簇脉冲作为刺激单位时。

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Presynaptic membrane, postsynaptic membrane and synaptic cleft were clear. Presynaptic terminals had more round clearest vesicles, and postsynaptic membrane has a high density electron. 3.

突触前膜、突触后膜和突触间隙清晰，突触前终末有较多清亮的圆形囊泡，突触后膜有电子密度高的致密物质。

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The readily releasable vesicles were not clustered close to the presynaptic membrane but instead were dispersed almost randomly throughout the vesicle cluster.

结果发现即刻可释放小泡并不是簇集于突触前膜而是随机分散于小泡群中。

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Measurement of IgG and IgM anti presynaptic membrane antibody in myasthenia gravis

重症肌无力IgG型及IgM型抗突触前膜抗体检测

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Modified action of thiocyclam hydrogen oxalate on insect presynaptic membrane calcium channels

杀虫环对昆虫突触前膜钙通道的调制

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In this case, the CA-bouton was presynaptic element whereas the VP-bouton served as postsynaptic element.

在这种情况下，含CA的神经终末为突触前成分，含VP的神经终末为突触后成分。

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Synaptic vesicles fuse with the presynaptic membrane upon the arrival of an action potential at the presynaptic axon terminal.

突触前轴突终末端动作电位到达时，突触小泡和突触前膜紧密相连。

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Synapses are connections between neurons, biological signals are transferred from the presynaptic membrane by the synaptic transmission to the postsynaptic membrane.

突触是神经元之间的连接部位，生物信号从突触前膜经突触传递到突触后膜。

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Clustered microvesicles are close to and attach to the presynaptic membrane;

突触前成分内，有成群的微泡靠近并附着于突触前膜；

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Neurotransmitter release during synaptic transmission is mediated by presynaptic active zone.

在突触前,神经递质释放是由活动区结构所介导的.

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This is the first time to report the existence of new presynaptic inhibitory autoreceptors-histamine H3-receptors in guinea pig myocardium.

本文首次报道豚鼠心肌存在一种新型突触前抑制性受体&－组胺H3受体。

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Presynaptic [ Ca 2+] I could influence the replacing of presynaptic depressed vesicles, as well as encode the precise relative timing of presynaptic input and postsynaptic activity and generate long term synaptic modification of opposite polarity ( LTP or LTD).

突触前[Ca2+]i可以影响被抑制的突触前膜囊泡的更新，并准确编码突触前和突触后信息，产生截然相反的长时程突触修饰（LTP或LTD）。

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A presynaptic nerve fiber; a presynaptic stimulus.

神经对刺激做反应.

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Recently, transporter, that is a sort of protein located in the presynaptic membrane, vesicle membrane and glia cell membrane, has been the study hotspot of neuroscience.

近年来，一种位于突触前膜、囊泡膜及神经胶质细胞膜上的糖蛋白&神经递质转运体逐渐成为神经科学界研究的热点。

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Excitatory amino acid transporters ( EAAT) localizes on the presynaptic membrane, synaptic vesicle and glial membrane.

兴奋性氨基酸转运体（EAAT）位于突触前膜、突触囊泡和神经胶质细胞膜上。

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Maturation of presynaptic transmitter secretion machinery and trafficking of postsynaptic receptors are two critical steps in synaptogenesis and synaptic development of central nervous system ( CNS).

突触前递质释放装置的发育成熟和突触后受体的转运是中枢神经系统突触发育过程中非常重要的两个方面。

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The postsynaptic membrane of S-, T-and G-types is apparently thicker than the presynaptic membrane and showed to be asymmetrical.

S型、T型和G型突触后膜均比前膜明显增厚，呈不对称性。

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Thus, the results indicate that the optic tectum takes part in the centrifugal control of somatosensory afferent activity, affects the spinal reflex, and involves in the mechanism of analgesia by way of presynaptic inhibition.

上述结果表明；视叶能以突触前抑制的形式参与躯体感觉传入的离心控制，影响脊髓反射活动，并可能涉及镇痛机制。

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PubMed abstract: Long-term potentiation ( LTP) is an enhancement of synaptic strength that can be produced by pairing of presynaptic activity with postsynaptic depolarization.

《公共医学图书馆摘要》：长期电位化（LTP）以前突触活动联对后突触除极化，增加突触讯号强度。

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