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ap神经元
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  ap neuron
      Conductance Modulation Mechanism of Positional Discrimination on the Synapse of AP Neuron in Leech
     水蛭AP神经元突触部位分辨的电导调控机制
短句来源
     The Efferent Modulation Effect of AP Neuron on the Positional Information of Pressure Stimulus in the Leech,Whitmania pigra
     中华宽体金线蛭AP神经元对压力刺激部位信息的传出调制效应
短句来源
     The authors use double voltage clamp in both the presynaptic T neuron and the postsynaptic AP neuron in situ showed that the synaptic strength of AP neuron was modulated mainly by the different conductance of its electrical synaptic transmission. The synaptic conductance between T and AP neurons is modulated by the difference of membrane potential between T and AP neurons.
     突触前、后原位胞内双电压箝揭示:AP神经元电突触部位分辨主要由电突触传递的电导不同引起,T与AP神经元间电突触电导受膜电位调控。
短句来源
  “ap神经元”译为未确定词的双语例句
     Anterior pagoda (AP) neurons of leeches were marked by intracellular injection of horseradish peroxidase (HRP).
     用胞内注射辣根过氧化物酶(HRP)的方法标记中华宽体金线蛭AP神经元
短句来源
     Taken together, intracarotid administered ET 1 may act on the ET A receptors in neurons of AP, thereby resulting in the facilitating effect on RVLM neurons through the efferent projection of AP.
     而在假毁损AP的大鼠,ET1对7个RVLM放电单位仍有易化效应。 以上结果提示:循环中的ET1可与AP神经元上的ETA受体相结合而引起兴奋,转?
短句来源
  相似匹配句对
      Conductance Modulation Mechanism of Positional Discrimination on the Synapse of AP Neuron in Leech
     水蛭AP神经元突触部位分辨的电导调控机制
短句来源
     Effects or Tetrohydroberberine on Neuron Apoptosis Induced by β-amyloid Peptides
     四氢小檗碱对β-AP诱导神经元凋亡的影响
短句来源
     ⑤supraependymal neurons.
     ⑤室管膜上神经元
短句来源
     Pyknosis of neurons was observed occasionally.
     个别神经元固缩。
短句来源
     About "V着AP
     关于“V着AP
短句来源
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  ap neuron
Marked electrical synapses on AP neuron of the leech (Whitmania pigra)
      
Sensory cells with receptive fields contralateral to the cell body of the AP neuron always gave rise to larger synaptic potentials.
      


This paper revealed that the different strength of synapses on AP neuron can be shown by the mechanical stimulation applied on the skin surface in the neighbouring segment of a ganglionbody wall preparation in the leech Whitmania pigra.The comparisons were made (1) on the effect of receptive neuron evoked by mechanical stimuli in different annuli of the same segment, (2) on the postsynaptic effects of AP neuron evoked by the same mechanical stimuli in different annuli and (3) also in a single annulus of...

This paper revealed that the different strength of synapses on AP neuron can be shown by the mechanical stimulation applied on the skin surface in the neighbouring segment of a ganglionbody wall preparation in the leech Whitmania pigra.The comparisons were made (1) on the effect of receptive neuron evoked by mechanical stimuli in different annuli of the same segment, (2) on the postsynaptic effects of AP neuron evoked by the same mechanical stimuli in different annuli and (3) also in a single annulus of the segment evoked by the same stimuli in different positions.It is established that the synapses of AP neuron function in positional discrimination and integration by synaptic strength.The authors use double voltage clamp in both the presynaptic T neuron and the postsynaptic AP neuron in situ showed that the synaptic strength of AP neuron was modulated mainly by the different conductance of its electrical synaptic transmission.The synaptic conductance between T and AP neurons is modulated by the difference of membrane potential between T and AP neurons.By this mechanism electrical synapses of AP neuron can transform the position information of reception into the spatial discrimination of perception.

用神经节-体壁标本,揭示AP神经元对邻节机械感受神经元传入信号也具有部位分辨机能。比较同一感受野内逐个体环的传入效应;比较不同体环同一部位、及单一体环不同部位分别对同一AP的突触后效应;确证AP涉及知觉机制,其电突触具有部位分辨与整合功能。突触前、后原位胞内双电压箝揭示:AP神经元电突触部位分辨主要由电突触传递的电导不同引起,T与AP神经元间电突触电导受膜电位调控。AP电突触可将感受部位信号转换成对刺激空间知觉辨识。

Anterior pagoda (AP) neurons of leeches were marked by intracellular injection of horseradish peroxidase (HRP). The intercellular connection were observed under transmission electron microscope between the smooth muscle cells in outer capsule and inner capsule of the neural ganglion, and between the marked axonal terminals of AP neuron and smooth muscle cells. Usually, single smooth muscle cell spread over the outer and inner capsules of ganglia in the shape of spindle and elliptical like respectively. There...

Anterior pagoda (AP) neurons of leeches were marked by intracellular injection of horseradish peroxidase (HRP). The intercellular connection were observed under transmission electron microscope between the smooth muscle cells in outer capsule and inner capsule of the neural ganglion, and between the marked axonal terminals of AP neuron and smooth muscle cells. Usually, single smooth muscle cell spread over the outer and inner capsules of ganglia in the shape of spindle and elliptical like respectively. There are two kinds of filaments:thin and thick filaments and dense patches in the smooth muscle cells. The membrane of smooth muscle cells grew out protrusions. Many glycogen granules, mitochondria and rough endoplasmic reticulum can be seen in the cytoplasm of smooth muscle cells. The distance between embedded smooth muscle cells in outer capsule ranges from 13.1 to 26.1 nm. This paper is the first report on the synapses formed between axonal processes and smooth muscle cells in the outer capsule of leech ganglion, for the chemical synapse the intercellular cleft is measured in 10 2 to 15 3[KG*9〗nm; as for the width of intercellular gap between the marked AP axonal terminal and smooth muscle cell of the outer capsule ranges from 2 to 2 5nm that corresponded to the width of gap junction.

用胞内注射辣根过氧化物酶(HRP)的方法标记中华宽体金线蛭AP神经元。透射电镜下观察到神经节的内、外囊中的平滑肌细胞膜间、以及标记AP神经元的轴突末梢膜与神经节中平滑肌细胞间的连接。通常,单个的平滑肌细胞散布在神经节的内、外囊中,分别为椭圆形和梭形。平滑肌细胞含粗、细两种肌丝,有密斑,具有许多突起。神经节外囊中平滑肌细胞的细胞质中央区有许多糖元颗粒和一些线粒体及粗面内质网;两个嵌合的平滑肌细胞膜间距为13.1~26.1nm。首次观察到神经元的轴突末梢与外囊内的平滑肌细胞形成化学突触,突触裂隙10.2~15.3nm;AP标记末梢膜与外囊平滑肌细胞膜之间的间距为2.0~2.5nm,相当于缝隙连接的并置膜结构。

To observe the effect of intracarotid administration of endothelin (ET 1) on electrical activity of neurons within rostral ventrolateral medulla (RVLM) region, 87 spontaneous active units were extracellularly recorded in 35 Sprague Dawley rats with sino aortic denervation. The results obtained are as follows. (1) Intracarotid administration of ET 1 (0 3 nmol/kg) increased the discharge firing rate from 17 8±1 5 to 20 9±1 4 spikes/s ( P <0 01) in 30 out of 36 RVLM neurons, while blood pressure and...

To observe the effect of intracarotid administration of endothelin (ET 1) on electrical activity of neurons within rostral ventrolateral medulla (RVLM) region, 87 spontaneous active units were extracellularly recorded in 35 Sprague Dawley rats with sino aortic denervation. The results obtained are as follows. (1) Intracarotid administration of ET 1 (0 3 nmol/kg) increased the discharge firing rate from 17 8±1 5 to 20 9±1 4 spikes/s ( P <0 01) in 30 out of 36 RVLM neurons, while blood pressure and heart rate had no significant change. (2) BQ 123 (0 67 nmol/kg), a selective ET A blocker, completely blocked the facilitatory effects of ET 1 in 11 out of 14 units. (3) In 10 out of 11 units, glibenclamide (3 3 nmol/kg), a blocker of ATP sensitive potassium channel, had no effect on the action of ET 1 (4) After ablation of area postrema (AP), the facilitatory action of intracarotid administration of ET 1 on 19 units of RVLM was abolished, while in 7 units of sham ablation animals the response of neurons to ET 1 remained unchanged. Taken together, intracarotid administered ET 1 may act on the ET A receptors in neurons of AP, thereby resulting in the facilitating effect on RVLM neurons through the efferent projection of AP.

在35只切断双侧缓冲神经、用氨基甲酸乙酯α氯醛糖混合麻醉的SpragueDawley大鼠,应用细胞外记录的电生理学方法,由RM6000型多道生理记录仪和WS682G热阵记录器(频响范围0~28kHz)同步记录血压、心率和单位神经元放电,观察颈动脉注射内皮素对87个延髓腹外侧头端区(RVLM)自发放电神经元活动的影响。所得结果如下:(1)颈动脉注射ET1(03nmol/kg)时,36个单位放电中有30个放电频率由178±15升至209±14spikes/s(P<001),血压和心率则无明显变化(P>005);(2)在11个放电单位中应用ETA选择性受体阻断剂BQ123(067nmol/kg),可阻断ET1的上述易化效应;(3)在10个放电单位中,应用ATP敏感性钾通道阻断剂格列苯脲(33nmol/kg)对ET1的易化效应无影响;(4)在热毁损最后区(AP)的大鼠,19个RVLM放电单位对颈动脉内注射ET1所致的易化效应不再出现;而在假毁损AP的大鼠,ET1对7个RVLM放电单位仍有易化效应。以上结果提示:循环中的ET1可与AP神经元上的ETA受体相结合而引...

在35只切断双侧缓冲神经、用氨基甲酸乙酯α氯醛糖混合麻醉的SpragueDawley大鼠,应用细胞外记录的电生理学方法,由RM6000型多道生理记录仪和WS682G热阵记录器(频响范围0~28kHz)同步记录血压、心率和单位神经元放电,观察颈动脉注射内皮素对87个延髓腹外侧头端区(RVLM)自发放电神经元活动的影响。所得结果如下:(1)颈动脉注射ET1(03nmol/kg)时,36个单位放电中有30个放电频率由178±15升至209±14spikes/s(P<001),血压和心率则无明显变化(P>005);(2)在11个放电单位中应用ETA选择性受体阻断剂BQ123(067nmol/kg),可阻断ET1的上述易化效应;(3)在10个放电单位中,应用ATP敏感性钾通道阻断剂格列苯脲(33nmol/kg)对ET1的易化效应无影响;(4)在热毁损最后区(AP)的大鼠,19个RVLM放电单位对颈动脉内注射ET1所致的易化效应不再出现;而在假毁损AP的大鼠,ET1对7个RVLM放电单位仍有易化效应。以上结果提示:循环中的ET1可与AP神经元上的ETA受体相结合而引起兴奋,转?

 
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