在某些假单极神经元中,电脉冲沿轴突从外周传递到胞体。
In certain pseudounipolar neurons, the electrical impulse travels along an axon from the periphery to the cell body.
卡哈尔在用胚胎观察神经组织时,发现轴突和树突是从胞体上生出的。
Cajal examined nervous tissue from embryos, and noticed that the axon and dendrites grow out of the cell body of the neuron.
这些细胞的特点是它们令人瞩目的神经纤维(即轴突),这些结构大多从胞体上生出,但是从浓密的原生质衍生物(即树突)上生出的情况也很常见。
The special character of these cells is the striking arrangement of their nerve filament [axon], which arises from the cell body but also very often from any thick, protoplasmic expansion [dendrite].
细胞外基质的成分是围神经元网络组织,顾名思义它位于特定皮质区的神经元胞体和近段树突周围。
The component of the extracellular matrix called the perineuronal net (PN), as its name implies, surrounds the cell body and proximal dendrites of selected cortical neurons.
观察结果证明这些神经毒经神经节细胞周围突逆行作用于胞体,使胞体产生不同的病理变化。
The results showed these neurotoxins had a retrograde effect on the cell body through the peripheral process of ganglion cell, inducing different pathological changes in cell body.
结论:大鼠坐骨神经损伤后,脊髓前角运动神经元的胞体有死亡,其死亡具有一定的时间特征。
Conclusions: Peripheral nerve injury can induce spinal cord anterior horn motor neurons dead, and the neuron death demonstrates its own character.
结论:大鼠坐骨神经损伤后,脊髓前角运动神经元的胞体有死亡,其死亡具有一定的特征。
Conclusions: Peripheral nerve injury could induce spinal cord anterior horn motor neurons dead and the neuron death demonstrated some characteristic.
大鼠坐骨神经外膜缝合、束膜缝合或神经移植后4周或9周,应用辣根过氧化物酶逆行标记腓总神经中再生轴突的胞体。
Horseradish peroxidase was used to label the regenerative axons of peroneal nerves 4 or 9 weeks after epineurial or Perineurial suture or nerve grafting in sciatic nerves in rats.
还可看到有发自神经元胞体的细长或短的突起,与邻近神经元似有联系。
The fine long or short fibers sent from neuron bodies seemed to contact the near neurons.
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.
随着日龄的增加,NOS神经元经历了胞体由小到大、形态日趋成熟、突起日趋丰富、单位面积中神经元的密度逐渐降低的变化过程。
With growth of rats, the size of soma and processes of NOS positive neurons gradually increased, the density of NOS positive neurons progressively decreased.
损毁下丘脑某些区域以致食欲肽神经元胞体减少,则可引起睡眠-觉醒功能障碍(如原发发作性睡病等)。
If hypothalamus in some areas is destroyed and orexin neurons are reduced, sleep-awakening dysfunction will appear (for instance: narcolepsy).
这导致了卡哈尔建立他的动态极化法则,这个法则表明,信息在神经元上是单向传递,从树突,经过胞体,到达轴突。
This led Cajal to formulate the law of dynamic polarization, according to which information flows in one direction through a neuron, from the dendrites, through the cell body, to the axon.
结果:在老年组,神经元固缩、核糖体解聚、胞浆内出现大量脂滴及脂褐素颗粒、染色质凝聚。
Results: For the neuron, we can find pyknosis of neuron, depolymerization of ribosome, accumulation of lipid droplets and lipofuscin, condensation of chromatin.
其中的神经元前体细胞胞质游离核糖体较多,核大,核内的染色质疏松。
The neuronal precursors in the SVZ showed many ribosomes and big nucleus with ab.
背景:机械压迫可造成神经细胞死亡,直接的机械性损伤和复杂的病理生理学机制都可导致轴突和神经元胞体的病变。
BACKGROUND: mechanic pressure could cause neurocyte death. Both direct mechanic injury and complex pathophysiological mechanism can induce the pathological changes of axon and neuronal soma.
海马内神经元的胞体主要聚集在锥体层。
The bodies of hippocampal neuron mainly gathered together in the pyramidal stratum.
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。
Especially, there were TH-like positive cell bodies and axonal endings which formed synapses as presynaptic elements with th negative postsynaptic structures.
结果显示,老年猫嗅觉二级神经元胞体直径和分布密度均有不同程度的显著性下降(P<0.05);
Compared to the young cats, the number of secondary olfactory neurons in old cats declined significantly(P<0.05);
喂药鼠海马结构内神经丝蛋白标记的胞体和纤维均明显多于对照鼠。
Cell bodies and fibers in the hippocampus labelled by NF in Guilingji-treated group were Significantly more than those in the control group.
骨骼肌由数以千计的肌纤维组成,每段肌纤维由一个运动神经元控制,它的胞体存在大脑或者脊髓中。
Skeletal muscle consists of thousands of muscle fibers, each controlled by one motor neuron whose cell body lies in the brain or spinal cord.
喂药鼠海马结构内神经丝蛋白标记的胞体和纤维均明显多于对照鼠。
Cell bodies arid fibers in the hippocampus labelled by NF in Guilingji-treated group were Significantly more than those in the control group.
结果:PQQ处理后,海马神经元突起的长度和胞体的长径显著大于对照组, 细胞的存活率增加、存活的时间延长,尼氏小体的光密度值和MTT代谢率显著高于对照组,脂褐素的含量降低。
MTT metabolic rate and lipofusichrome was measured. Results:In PQQ group the length of neuron processes and the maximum diameter of neurosoma were greater than those of control group markedly.
阿霉素(多柔比星)可以通过逆向轴浆运输选择性杀死神经元胞体。
Adriamycin can selectively kill perikaryon by way of retrograde axoplasmic transport.
中等密度淡染的阳性神经元胞体、纤维和终末见于动眼神经核、滑车神经核和舌下神经核;
Medium density and lightly stained GABA BR1-LI neuronal cell bodies, fibers and terminals were observed in the oculomotor nucleus, trochlear nucleus and hypoglossal nucleus.
其中的神经元前体细胞胞质游离核糖体较多,核大,核内的染色质疏松。
The neuronal precursors in the SVZ showed many ribosomes and big nuc...
这项研究表明,迁移神经元中前导突起顶端通过肌球蛋白介导的肌动蛋白纤维流动活跃的拉动胞体向前运动。
Thus, the tip of the leading process actively pulls the soma forward during neuronal migration through a myosin II-dependent forward F-actin flow along the leading process.
术后3 d神经元略有减少,约为对照组的94%(P>0.05),但胞体增大、染色增强;
There was minor decrease in ADH neurons at the 3rd day after hypophysectomy (survival 94%, P>0.05), but the cellular body hypertrophy appeared.
用膜片钳技术中的细胞贴附方式和内面向外方式,首次在新生大鼠大脑皮层星形神经元胞体膜上记录到一类电压依赖性钾通道。
Using cell-attached and inside-out configuration of patch damp, we record a type of voltage-gated potassium channels in the cell membrane of cultured star-shape neurons of the new born rat cortex.
应用推荐