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[颈上节神经元对延髓运动带刺激的反应]

[Neurons of the superior cervical segments responding to stimulation of the bulbar locomotor strip].

作者信息

Kazennikov O V, Selionov V A, Shik M L, Iakovleva G V

出版信息

Neirofiziologiia. 1979;11(3):245-53.

PMID:460496
Abstract

Synaptic responses of single neurons of upper cervical segments to stimulation of the bulbar "locomotor strip" were recorded extracellularly in mesencephalic cats. The stimulating current being about 30 muA, these responses usually had 2-7 ms latencies and appeared in neurons located at a depth of 2-4 mm from the dorsal surface (Rexed's laminae V-VIII). These neurons cannot be excited antidromically either from lumbar or lower cervical segments. However antidromic responses, could be evoked by stimuli applied 3-5 mm caudally of the recording electrode. It is assumed that neurons in C2, C3 excited from the "locomotor strip" are elements of the cell column which is responsible for the polysynaptic propagation of activity to the spinal generators of stepping.

摘要

在中脑猫中,细胞外记录了颈上段单个神经元对延髓“运动带”刺激的突触反应。刺激电流约为30微安,这些反应的潜伏期通常为2 - 7毫秒,出现在距背表面2 - 4毫米深处的神经元(Rexed板层V - VIII)。这些神经元既不能被来自腰段或颈下段的逆向刺激所兴奋。然而,在记录电极尾端3 - 5毫米处施加刺激可诱发逆向反应。据推测,从“运动带”兴奋的C2、C3神经元是细胞柱的组成部分,该细胞柱负责将活动多突触性地传播到脊髓的步行动作发生器。

相似文献

1
[Neurons of the superior cervical segments responding to stimulation of the bulbar locomotor strip].[颈上节神经元对延髓运动带刺激的反应]
Neirofiziologiia. 1979;11(3):245-53.
2
[Responses of neurons of the upper cervical segments of the spinal cord in the cat to stimulation of the locomotor region of the brain stem with different frequencies].
Neirofiziologiia. 1983;15(4):355-61.
3
[Synaptic responses of propriospinal neurons on stimulation of the locomotor strip of the dorsolateral funiculus of the cat].[猫背外侧索运动带刺激时脊髓固有神经元的突触反应]
Neirofiziologiia. 1985;17(2):270-8.
4
[Activity of spinal cord neurons and their responses to stimulation of the "stepping" strip during spontaneous locomotor rhythmicity].[脊髓神经元的活动及其在自发运动节律期间对“踏步”带刺激的反应]
Fiziol Zh SSSR Im I M Sechenova. 1987 May;73(5):644-50.
5
[Responses of medulla oblongata neurons to microstimulation of the "locomotor strip" in cats].[猫延髓神经元对“运动带”微刺激的反应]
Neirofiziologiia. 1981;13(3):275-82.
6
[The synaptic responses of the neurons in the medulla oblongata to stimulation of the stepping stria of the spinal cord in the cat].[猫延髓神经元对脊髓步带刺激的突触反应]
Neirofiziologiia. 1991;23(3):328-33.
7
[Activity of propriospinal neurons of segments C3 and C4 during "fictive locomotion" in the cat].[猫“虚拟运动”过程中C3和C4节段脊髓固有神经元的活动]
Neirofiziologiia. 1985;17(3):320-6.
8
[Reactions of cat hindbrain "locomotor strip" neurons to microstimulation].
Neirofiziologiia. 1978;10(5):510-8.
9
[Synaptic responses of neurons of the lateral medullary reticular formation to stimulation of the locomotor strip in the cat].[猫延髓外侧网状结构神经元对运动带刺激的突触反应]
Neirofiziologiia. 1983;15(2):195-7.
10
Localization of spinal neurons activated during locomotion using the c-fos immunohistochemical method.运用c-fos免疫组织化学方法对运动过程中被激活的脊髓神经元进行定位。
J Neurophysiol. 2005 Jun;93(6):3442-52. doi: 10.1152/jn.00578.2004. Epub 2005 Jan 5.

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J Neurophysiol. 2017 Jan 1;117(1):215-229. doi: 10.1152/jn.00544.2016. Epub 2016 Oct 19.
2
Functional redundancy of ventral spinal locomotor pathways.脊髓腹侧运动通路的功能冗余
J Neurosci. 2002 Jan 1;22(1):315-23. doi: 10.1523/JNEUROSCI.22-01-00315.2002.