后角

对插削等距型面孔的插刀进行了设计，对其平均半径、前角、后角、刀刃的空间曲线作了分析和研究。

The slotting tool with isometric profile cylinder hole is designed . The average radius , the rake angle , the relief angle and the space curve of the edge are analyzed and researched .

通过实验分析切削工艺参数对工件加工表面晶格歪扭深度的影响表明，切削速度V、刀具前角γ、刀具后角α以及切削次数是影响工件加工表面晶格歪扭层深度的主要因素。

The influence of cutting process parameters on the depth of distorted layer of crystal lattice is analysed by experiment . The cutting velocity ( V ), cutting tool rake angle (γ) . relief angle (α) and cutting frequency are considered key factors .

脊髓后角P物质在实验性自身免疫病发病中的作用

The Role of Substance P in the Spinal Dorsal Horn in the Pathogenesis of Autoimmune Diseases

P物质受体在人延髓和脊髓后角内的分布

Immunohistochemical localization of substance P receptor in the medullary and spinal dorsal horns of the human

主要观察指标：不同时间脊髓后角中P物质的阳性细胞的表达。

MAIN OUTCOME MEASURES : The expression of substance P in the posterior horn at different times .

大鼠脊髓后角内初级传入C纤维中δ阿片受体的免疫电镜定位

Immunoelectron microscopic localization of δ opioid receptor in primary afferent C fiber in the spinal dorsal horn in the rat

去传入神经引起大鼠延髓后角P物质、胆囊收缩素、神经降压肽、亮-脑啡肽变化机制的探讨

Study on the mechanism of changes of substance p , cholecystokinin , neurotensin , leucin-enkephalin within the rat medullary dorsal horn by deafferentation

电针对大鼠脊髓后角内神经降压素的影响以及在毁损C纤维后的变化

The Effects of Electroacupuncture on Neurotensin in Rat Spinal Dorsal Horn and the Change of the Effects after C Fibers Being Destroyed

大鼠福尔马林实验中脊髓后角浅层内P物质和降钙素基因相关肽的变化

Changes of substance P and calcitonin gene related peptide in the superficial layers of the spinal dorsal horn in the rat following formalin test

脊髓灰质后角P物质免疫反应阳性纤维面积及灰度均明显小于对照组。

The area of substance P positive fiber and its terminus in posterior of spinal was smaller in experiment group remarkably than in control group .

胚胎第23周SlitmRNA在脊髓前角明显表达，表达水平较18周时增高，在后角有弱表达。

On the 23rd week , the expression of Slit mRNA was obviously increased in anterior horn .

后角CGRP可能与伤害性刺激传导有关。

CGRP in posterior horn may be related to noxious stimulation conduction .

大鼠腰神经根受压后背根神经节和脊髓后角含生长抑素mRNA阳性神经元的变化

Changes of neurons containing Somatostatin mRNA in dorsal root ganglia and dorsal horn following a chronic constriction to the rat lumbar nerve root

GCS可降低脊髓后角神经元的兴奋性。

GCS may depress the excitement of dorsal horn of spinal cord .

本研究的目的是为了揭示大鼠脊髓后角内的神经降压素是否对一级传入C纤维进行突触前调节。

The aim of the present study is to reveal whether neurotensin ( NT ) in the spinal dorsal horn of the rat might presynaptically modulate the primary afferent C fibers .

NOS阳性神经纤维主要分布在后角浅层和中间带。

The NOS positive fibers were mainly in the superficial layers of the dorsal horn and intermedial region .

维拉帕米对创伤大鼠痛觉过敏及脊髓后角c-fos表达的影响

Effects of verapamil on hyperalgesia and spinal cord dorsal horn c-fos expression after trauma in rats

NMDA及其受体介导伤害性传入引起的大鼠脊髓后角环氧化酶-2表达的增加

NMDA and Its Receptor Mediated Up-regulation of COX-2 Expression in the Spinal Dorsal Horn during Nociceptive Inputs in Rats

非NMDA型兴奋性氨基酸受体促进大鼠伤害性传入引起的脊髓后角星形胶质细胞的激活

Non-NMDA Excitatory Amino Acid Receptor Promotes Activation of Astrocytes in the Spinal Dorsal Horn during Nociceptive Inputs in Rats

甲醛炎性痛时脊髓后角HO-1蛋白表达增加对神经元凋亡的影响

Increased Expression of HO-1 on Spinal Cord during Formalin Inflammatory Pain and the Role in Neuronal Apoptosis

电针及辣椒素处理对脊髓后角AChE活性和[~3H]-QNB结合位点的影响

Influence of Electroacupuncture and Capsaicin Treatment on AChE Activity and [ ~ 3H ] - QNB Binding Sites in the Spinal Dorsal Horn

背根切断对脊髓后角Ⅱ板层BDNF，NT-3表达的影响&免疫组织化学研究

Effect of dorsal root rhizotomy on the expression of BDNF and NT-3 in spinal dorsal horn lamina ⅱ

结论：BCC移植对福尔马林致痛大鼠有镇痛作用，可以抑制福尔马林致痛大鼠脊髓后角CFos的表达，微囊化BCC效果优于BCC。

Conclusion : Transplantation of microencapsulated BCC can produce analgesic effect on formalin-induced rats , and reduce the expression of C-fos in spinal dorsal cord .

这表明，吗啡具有进一步增强去初级传入纤维支配的脊髓后角组织提取液促进培养的DRG神经突起生长的效应。

The result indicates that morphine might enhance the neurite-promoting effect of the tissue extract of deafferented spinal dorsal horn on DRG .

用HRP方法研究猫前庭核向脊髓后角的纤维投射，发现前庭脊髓束不仅起自前庭内侧核、外侧核和脊核，而且还起自前庭上核。

The projection from the vestibular nuclei to the dorsal horn of the spinal cord in the cat was studied with the horseradish peroxidase method .

阿片肽在后角镇痛的作用机理，被认为是通过突触前抑制一级传入纤维P物质释放的结果，然而始终未获得形态学的证实。

It has been suggested that the analgesic effect of opioid peptides in the dorsal horn is mediated by presynaptic mechanism to inhibit the release of substance P. However , ultrastructural data indicated that axo-axonal synapses between enkephalin and substance P terminals are unlikely .

目的：观察大鼠脊髓后角浅层内δ阿片受体是否存在于初级传入C纤维内，为脑啡肽在痛觉初级传入调制中的突触前抑制机制提供更为可靠的形态学依据。

Objective : To provide morphological evidence for presynaptic inhibition mechanism of enkephalin in modulating primary input of pain by observing whether ? opioid receptor in the superficial layers of the rat spinal cord is located in the primary afferent C fiber or not .

在痛觉超敏期，将大鼠处死，进行免疫组化，观察延髓尾侧段及上颈段（C1～2）后角CFos蛋白表达。

Following the appearance of allodynia , rats were killed and fos-like immunoreactivity were quantified in the dorsal horn of caudal medulla and upper cervical spinal cord ( C 1 ~ 2 ) .

目的：探讨蛋白激酶C在哮喘豚鼠C7～T5段脊髓后角的表达及地塞米松的抑制作用。

AIM : To investigate the expression of protein kinase C in the C7 T5 spinal cord posterior horn and the inhibitory effect of dexamethasone in asthmatic guinea pigs .

刺激猫上矢状窦区硬脑膜诱发三叉神经脊束核尾侧段和上颈髓后角c-fos蛋白的表达

Expression of c-fos protein immunoreactivity in the trigeminal nucleus caudalis and upper cervical dorsal cord induced by electrical stimulation of dural mater near the superior sagittal sinus of the cat