在增殖期过后第二个三个月里,神经元也被“削减”,这意味着它们经历了一个有计划的细胞死亡过程。
After a period of proliferation during the second trimester, neurons are also "pruned," meaning that they undergo a planned cell death.
每个蛔虫脑内的神经元都是已知的,都被编成三个字母的名称。
Each neuron in the worm's brain is known, and is assigned a three letter name.
伯一登于周三在“神经元”杂志公开发表的最新研究中,不仅阐述了这一技术在灵长类动物中的应用,还称这项技术是安全的。
Boyden's new research, published Wednesday in Neuron, demonstrates not only that the technology works in primates, but also that it is safe.
在这项迄今为止规模最大的老年痴呆症基因研究中,发现许多患有老年痴呆症的病人,其保护大脑免受损害并且确保神经元正常工作的三种基因受到了损害。
Three genes that protect the brain from damage and ensure neurons work properly were found to be impaired in many patients with the disease, in the largest genetic study of the condition yet.
大脑解剖实验表明用药的老鼠在称为齿状回的脑部区域生长出三倍于正常数目的神经元。
When dissected, the treated rats turned out to have three times the usual number of newborn neurons in a brain region called the dentate gyrus.
我们都知道当刺激感受疼痛的神经元,其释放的化学物质称为核苷酸,特别是三磷酸腺苷(atp)。
It is already known that when pain-sensing neurons are stimulated, they release chemicals known as nucleotides, specifically adenosine triphosphate (ATP).
结论大鼠第三脑室、中脑水管及中缝背核内存在多巴胺能触液神经元,其在脑-脑脊液之间的信息传递中有着重要的作用。
Conclusion the dopaminergic CSF-CNs located in the third ventricle and mesencephalic aqueduct might play an important role in transmitting information between brain and cerebrospinal fluid of the rat.
目的观察大鼠第三脑室、中脑水管及中缝背核内多巴胺能触液神经元的分布情况。
Objective To observe the distribution of dopaminergic cerebrospinal fluid-contacting neurons (CSF-CNs) in the third ventricle and the mesencephalic aqueduct of rat.
脑叶长出含有神经元和突触的另外三层灰质,在与基于统一的思想形态相关的新构造中激活。
The lobes of the brain grown three additional layers of grey matter that contain neurons and synapses that fire in new formations related to unity based thought-form.
前三名作品分别是神经元的艺术再现、纽约市地图和收获的季节。
The top three winners included artistic renditions of neurons, a map of New York City and the harvest season.
在讨论数字逻辑与神经元的关系后,提出一种利用前向三层神经网络实现任意布尔逻辑的设计方案。
After discussing the connection between digital logic and a neuron, a strategy of implementing arbitrary Boolean logic using three layers feedforward neural network is presented.
本文采用一种新型的三层神经网络,即隐蔽层具有知识神经元的神经网络(NNKBN)模拟带状线电路中的十字交越不连续性。
A novel three-layer neural network with knowledge-based neurons (NNKBN) in hidden layer has been applied to model the crossover discontinuities in stripline circuits.
目的:探讨第三丁基过氧化氢(t-BHP)诱导大鼠皮层神经元凋亡的可能机制。
AIM: to explore the possible mechanism of tert - butyl hydroperoxide (t - BHP) - induced apoptosis in rat cortical neurons.
本文应用扫描、透射和免疫电镜方法较全面地观察、比较和验证了大鼠第三脑室内的接触脑脊液神经元。
Scanning, transmission and immuno-electron microscopic methods have been combined to overall observe, compare and identify the CSF-contacting neurons in the ral third cerebral ventricle.
结果发现:掩蔽声对神经元放电率的抑制作用在时间上表现为前抑制(41%)、后抑制(9%)和全抑制(50%)三种类型。
We found that there were three types of inhibition period of neuronal firing, i. e. , early-inhibition(41%), late-inhibition(9%)and whole-inhibition(50%).
本文还讨论了神经元建模、脑功能和功能成像三者之间的交叉问题。
The problems crossed among neuronal modeling, functional brain and brain mapping are also described in this paper.
目的研究大鼠第三脑室壁和第四脑室底接触脑脊液神经元的形态及作用。
Objective To investigate the morphology and effect of CSF contacting neurons in the third ventricular wall and the fourth ventricular floor of rats.
杨还希望相关企业能够参与进来,他正在和一些药厂进行商谈,让他们能提供用于该项实验的第三种药物,这种药物能阻断神经元生长抑制剂的作用。
Young also hopes to involve industry. He is negotiating with pharmaceutical companies to provide a third element to add to the mix — drugs known to block the chemicals that inhibit growth of neurons.
按其主树突的分布图式,可将鸽峡核神经元分成三类:(1)单极神经元,(2)双极神经元和(3)多极神经元。
The impregnated isthmic neurones are categorized into three types based on their dendritic patterns: (1) monopolar neurones, (2) bipolar neurones and (3) multipolar neurones.
文章就近年来雌激素对神经元、胶质细胞和血管三个方面的保护作用及其分子机制的研究进展进行综述。
The article reviews the recent progress in research on the protective effects of estrogen on neurons, glial cells and blood vessels.
神经元是一种特殊的细胞,正如你们所见,神经元有三个主要部分。
The neuron is a specific sort of cell and the neuron has three major parts, as you could see illustrated here.
此外,本文第三部分谈及到了镜像神经元的进一步研究情况。
In addition, the paper about a third of the mirror neurons in further research.
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。
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.
结论:辣椒素对大鼠三叉神经节内NOS阳性神经元有明显的影响,NOS参与口面部的痛与镇痛。
CONCLUSION: Capsaicin has an obvious effect on the NOS positive neurons in the trigeminal ganglion of rats, and NOS participates in the mechanisms of pain and analgesia at oral-facial region of rats.
在第二部分,本文从三个方面着重分析了镜像神经元的社会认知意义。
In the second part, this paper focuses on three aspects of the mirror neurons in the social cognitive significance analysis.
同时发现室旁核、室周核、室周弓状核及视前大细胞核的VP阳性神经元有突起伸入到第三脑室室管膜或突出于脑室腔,视上核的VP阳性神经元也有突起投射至脑基底神经胶质板上或伸至蛛网膜下腔。
The process of VP-like cells in PVN, PN, AN and POM projected towards the third ventricle, and the process in SON towards the glial lamina in the basal surface of the brain or subdural space.
结果第三脑室室周的室管膜下和室管膜内含有胞体或突起与第三脑室直接接触的生长抑素阳性神经元。
Results Some of somatostatin positive neurons were distributed in the ependymal and subependymal layers of the third ventricle.
十种脚部细菌味中的九种能同时兴奋这三种嗅觉神经,其中五种使嗅觉神经元对二氧化碳失去反应。
From the ten microbial odors previously discovered nine elicited responses from all three olfactory receptors on the mouthparts and 5 of them inhibited the CO2 response.
文中还给出了三种生成差异度不同的神经元网络的方法,并通过求解实例对比了这三种方法的优化效果。
For increasing ensemble diversity to improve the generalization ability of learning system, three methods is given in order to create diverse neural networks.
总结脑信息处理的三个特性:选择性、适应性及协同性,并论述了涵盖此三个特性的神经元群选择理论。
Three characteristics of brain information processing are summarized: selective, adaptable and cooperative, and neural-group. Selective theory including these characteristics is addressed.
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