查询词典 tractus

Methods Acute cardiac injury was established by intramyocardial injection of formalin. Fos and GFAP positive response in Nucleus Tractus Solitarii were investigated by immunofluorescence.

向心肌内注射福尔马林造成急性心肌损伤，免疫荧光染色观察NTS中Fos阳性和GFAP阳性细胞的反应情况。

Results There was an extensive staining with both P2X2 and P2X4 receptors positive neurons and nerve fibers localized in medulla oblongata. It was mainly localization in the nucleus tractus solitarius,Ⅻ nucleus and ventrolateral medulla of medulla oblongata. It also scattered throughout rest of medulla.

结果 P2X2和P2X4嘌呤受体的阳性神经元和阳性纤维在新生鼠和成年鼠的延髓都有广泛表达，主要分布在孤束核、Ⅻ颅神经核和延髓腹外侧区，延髓其他区域为散在的分布。

Aim:(1) The purpose of this study is to examine whether protein tyrosine kinase and AMPA receptor in the nucleus tractus solitarius and nucleus ambiguus were involved in the regulation of normoxia and hypoxia respiratory response by microinjection of PTK inhibitor and non-NMDA receptor antagonist;(2) To observe the change of number of phosphotyrosine immunopositive neurons in NTS and NA before and after hypoxia using immunohistochemical methods and whether tyrosine phosphorylation and GluR1 in postsynaptic membrane co-localize in NTS and NA neurons.

目的：(1)观察向家兔脑干孤束核或疑核内微量注射酪氨酸蛋白激酶阻断剂和谷氨酸AMPA受体阻断剂对常氧呼吸和低氧呼吸反应的影响，探讨PTK和AMPA受体在低氧呼吸反应中的作用。(2)观察低氧通气后NTS和NA磷酸化酪氨酸免疫阳性神经元的数量变化；观察磷酸化酪氨酸和AMPA受体亚单位GluR1在突触后膜共存的情况，推测在低氧呼吸反应中AMPA受体和PTK信号转导途径的关系。

In this paper the distribution of CGRP neurons and the relationship between CGRP nerve terminals and catecholaminergic neurons in the nucleus tractus solitarii of the rat was studied at light microscopic and electron microscopic levels, using double-immunostaining method and immunoelectronmicroscopic staining techniques.

用双重免疫染色包埋前免疫电镜法，在光镜和电镜水平观察了大鼠孤束核内降钙素基因相关肽神经元的分布及其神经末梢与儿茶酚胺能神经元之间的关系。

Alter intragastric administration of Ecr to rats, the effect of Ecr on the changes of gastric motility was detected. At the same time, the changes of frequency of electro-physiological activity, as well as expression of c-Fos in nucleus tractus solitari and dorsal-nuclei of the central bulb were also observed. The mechanism of Ecr on gastric motility were also detected by observing the activation of the NTS and DMV.

在前期工作的基础上，采用灌胃给药方法，给大鼠以最有效剂量的萝卜提取物按60mg/kg灌胃后，经胃电记录，观察其对胃运动的影响，并对其对中枢支配胃运动的迷走复合体(dorsal vagal complex， DVC)中神经元放电频率的变化以及c-Fos表达的情况为标志，观察上述两个核团中神经元被激活状况，来探讨萝卜提取物促胃动力的作用机制。

OXA-like-ir fibers were obvious in the nucleus tractus solitarius,hypoglossal nucleus and ventrolateral medulla.

在这两个区域，新生鼠组的OX_1R免疫反应阳性细胞的相对光密度值均低于成年鼠组(P＜0.001)。

The response of GFAP positive-astrocytes peaked at 24 h, and then decreased. Conclusions Neurons and astrocytes in Nucleus Tractus Solitarii were activated sequently after acute cardiac injury, which suggested that the involvement neurons and astrocytes of NTS in the central modulation of cardiac pain after ACI.

急性心肌损伤后，大鼠延髓NTS中神经元和星形胶质细胞被心肌伤害性刺激激活，参与心肌损伤后疼痛的中枢调控。

The response of Fos-positive neurons peaked at 4 h, then decreased.4h after acute cardiac injury, the influoence gray scale of GFAP positive-astrocytes significantly increased in Nucleus Tractus Solitarii.

急性心肌损伤后4 h GFAP阳性星形胶质细胞荧光强度明显增强，24 h达到高峰然后下降。

Objectives To investigate the inhibitory effects of RNA silencing via Angiotensin Ⅱ Receptor shRNA in vivo. Methods C57BL mice were used as animal model. Nucleus tractus solitarius was selected as a target for investigating the inhibitory effects of mRNA expression.

目的 了解小发夹核糖核酸(short hairpin Ribonucleic Acid， shRNA)，在小鼠脑干抑制血管紧张素Ⅱ1型受体(angiotensin Ⅱ Receptor 1， AT1 R)信使核糖核酸(messenger RNA，mRNA)表达的有效性和特异性。

The ipsilateral microinjection of γ aminobutyric acid of morphine hydrochloride into the nucleus tractus solitarius blocked partly the evoked bradycardiac and depressor responses without any influence on basal blood pressure and heart rate.

NTS内注射GABA受体拮抗剂荷苞牡丹碱可拮抗吗啡的上述作用，但吗啡受体拮抗剂纳络酮几乎不影响GABA对诱发压力感受性反射的阻断效应。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。