英语释义

1. occurring after synapsis
a postsynaptic chromosome

2. of, occurring in, or being a nerve cell by which a wave of excitation is conveyed away from a synapse
a postsynaptic membrane

3. relating to, occurring in, or being part of a neuron that receives a nerve impulse after it has crossed a synapse
postsynaptic dopamine receptors At a synapse, information in the form of chemicals called neurotransmitters flows from the so-called presynaptic cell to one dubbed the postsynaptic cell.
— Joe Z. Tsien, Scientific American, April 2000

片语

excitatory postsynaptic兴奋性突触后位能

postsynaptic receptor突触后受体

postsynaptic neurotoxin突触后神经毒素

Postsynaptic processes突触后过程

postsynaptic potential突触后电位

Postsynaptic dlensity突触后致密物

postsynaptic cell突触后细胞

postsynaptic villi肌的突触后绒毛

postsynaptic density突触后密集区

英汉例句

• Training in a forelimb reaching task leads to rapid (within an hour) formation of postsynaptic dendritic spines on the output pyramidal neurons in the contralateral motor cortex.

  这种用前肢踩踏的训练，一个小时内就可以在两侧运动皮层的椎体神经元上形成突触后「树枝状小棘」的结构。

• The membrane of a neuron is mainly composed of the following three parts:the postsynaptic membrane, the somatic membrane and the membrane of the initial segment.

  神经元的功能主要由突触后膜、胞体膜和始段膜三种膜结构的不同活动特性决定的。

• As compared with the hypoxia group, 2% and 4% sevoflurane obviously prolong the disappeared time of the postsynaptic population spike due to hypoxia (P

  与缺氧组相比，2%和4%七氟烷均明显延迟缺氧所致的诱发群峰电位消失时间（P

• A major challenge in studying the synapse is how to tell what observed effects are due to presynaptic factors and which to postsynaptic ones.

  研究突触最大的困难在于如何区辨所观察到的反应是来自突触前或突触后因子所导致。

• In addition, the nerve endings from where information is sent must release slight amounts of neurotransmitters to stimulate the neuroligin in the postsynaptic nerve cell.

  另外，在传出信息的神经末端会释放少量的神经传递素，从而增加突触后神经细胞中的神经胶质素。

• Our findings challenge the view that LTP in CA1 involves a presynaptic modification, and suggest instead a simple postsynaptic mechanism for both induction and expression of LTP.

  我们的研究挑战以长期电位画在CA1促成前突触的改变，并建议一个简单的以后突触改变结构的诱发与显示的长期电位化。

• Their average amplitudes were differentially up - or down-regulated, depending on the precise timing of postsynaptic APs relative to EPSPs.

  它们的平均振幅是依赖精确的后突触ap与EPSP时间，相差性的上下控制。

• 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。

• The abnormal metabolism and excess release of Glutamic acid as well as high-frequency stimulation to the postsynaptic receptor induce excitatory neural toxicity, resulting in the death of neurons.

  因谷氨酸代谢异常，过度释放和对突触后受体的高频刺激，引起了兴奋性神经毒性，导致神经元死亡。

• It was not the rnuscle potential. We believe that P3(N3 )is mixedpresynaptic and postsynaptic potentials evoked from the trigeminal root and nucleus of trigeminalspine bundle.

  认为P＿3（或N＿3）是三叉神经根及三叉神经脊束核的突触前和突触后的混合电位。

• Within each synapse is a set of proteins, which, like the components of an engine, bind together to build a molecular machine called the postsynaptic density - also known as the PSD.

  每个神经突触都有拥有一系列蛋白，它们像机器的零件一样，结合在一起，搭建出一个被称为突触后致密区(postsynaptic density PSD)的分子机器。

• The previous studies indicated it produced anesthetic effect through its mimic GABA action, which enhanced central inhibition mediated by postsynaptic GABAa receptors.

  以往研究认为其具有拟gaba样作用，通过增强突触后gaba_a受体介导的中枢抑制而产生麻醉作用。

• Dendritic spines are functional protrusions on neuron dendrites and generally act as postsynaptic sites to form integral synapses with axon terminals.

  树突棘是神经元树突上的功能性突起结构，通常作为突触后成份与投射来的轴突共同构成完整的突触连接。

• The results indicate that dorsal column postsynaptic neurons possess a relatively simplified geometric organization and a considerable complexity in their local synaptic circuitry.

  结果提示，背索突触后神经元具有相对简化的几何构筑和相当复杂的局部突触回路。

• Objective To explore the effect of pentylenetetrazol(PTZ)-kindled epilepsy on rats learning, memory and the expression of postsynaptic density 95(PSD-95).

  目的探讨戊四氮诱导癫痫对大鼠空间学习记忆功能的影响及海马突触后致密物95（PSD-95）的表达变化。

• Phosphorylation of postsynaptic density proteins remains a largely unexplored mechanism in activity-dependent regulation of dendrite development and synaptic function.

  在树突发育和突触功能活性依赖的调节过程中，突触后致密蛋白磷酸化的机制仍然是未知的领域。

• The visual patch-clamp method can accurately assess synaptic transmission by measuring postsynaptic currents of the dorsal horn neurons.

  可视膜片钳方法可以準确测量脊髓背角神经元的突触后电流从而研究初级传入突触的传递过程。

• Objective To study the expression and distribution of postsynaptic density protein-93 (PSD-93) after spinal cord injury (SCI).

  目的探讨突触后密度蛋白- 93 (PSD- 93)在脊髓损伤(SCI)后的表达变化以及定位情况。

• Mining the postsynaptic proteome now gives researchers a strategic entry point, and the rest of us a front row seat to witness neuroscience unravel the complexity of human brain disorders.

  现在开发这些突触后蛋白组给了研究者一个战略切入点，其他人则可以坐在前排位置，见证神经科学展开人类大脑疾病的内在奥秘。

• At the holding potential of 0 mV, spontaneous inhibitory postsynaptic currents (IPSCs) and dorsal root stimulation-evoked IPSCs were recorded as outward currents.

  在钳制电压为0毫伏条件下，记录自发的和背根刺激引起的抑制性突触后电流。

• The equations of the model, corresponding to postsynaptic potentials, receptor potentials, initial segment graded potentials and the impulse train along the axon respectively, have been given.

  模型方程分别对应于突触后电位、感受器电位、始段分级电位和轴突上的的脉沖系列，每个方程都具有明确的生理意义。

• Especially, there were TH-like positive cell bodies and axonal endings which formed synapses as presynaptic elements with th negative postsynaptic structures.

  免疫电镜还显示有TH阳性神经元胞体和轴突末梢，后者可作为突触前成分与TH阴性结构形成突触。

• 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。

• Objective: To study the relationship between the synaptic types of the fast adapting lingual afferent terminals and the postsynaptic dendrites in the principal trigeminal nucleus in cats.

  目的 ：研究舌快反应传入纤维终止于三叉神经感觉主核形成的突触类型及与突触后膜树突的关系 ，为神经生理学研究和神经解剖学研究提供参考资料。

• Neurotransmitter receptors mediate signal transduction at the postsynaptic membrane of synaptic connections between neurons in the nervous system.

  大脑中神经元突触间的信号传递是由许多神经递质受体介导的。

• Moreover, we found that presynaptic but not postsynaptic inactivation of presenilins alters short-term plasticity and synaptic facilitation.

  而且，我们发现突触前灭活早老蛋白而突触后未灭活时改变了突触的短期可塑性和突触易化。

• The recordings of postsynaptic currents were performed by using the whole-cell voltage-clamp method.

  采用全细胞电压钳记录技术，给予选择性受体阻断剂以分离不同的突触后受体电流。

• These results indicate that the mutation does not interfere with the ability of agrin to induce postsynaptic structures but that it dramatically perturbs the maintenance of the neuromuscular junction.

  这些结果表明，该突变不仅影响集聚蛋白诱导突触后结构的功能，也影响神经肌肉接头功能的维持。