查询词典 aortic

In 15 anesthetized open-chest dogs, the responses of some regional vascular beds were examined by constant flow perfusion method during the 5-HT-induced aortic hypertensive chemoreflex.

在15只麻醉开胸犬中，用在体器官恒流灌注法研究了骨胳肌、皮肤、肾和心脏的血管在5-HT诱发的主动脉区化学感受性升血压反射中的反应，同时还观察了5-HT对这些器官血管的直接效应。

Methods The mitral (M1) and tricuspid (T1) valves componented of the first heart sound (S1), the aortic (A2) and pulmonary (P2) valves componented of the second heart sound (S2) were detected by short-time Fourier transformation spectrogram and Shannon engergy, in the high frequency resolution circumstance.

在频率分辨率较高的情况下，利用短时傅立叶变换声谱图和香农能量，提取出第1心音(S1)的主要成分二尖瓣关闭音(M1)、三尖瓣关闭音(T1)及第2心音(S2)的主要成分主动脉瓣关闭音(A2)、肺动脉瓣关闭音(P2)。

Results The spiral CT features of atypical dissection were as follows:(1) continuous crescentic or circle areas along the wall of aorticwith CT value of 50-80HU, after enhancement, these areas were still low density contrast to the enhanced aortic lemin.

CT表现：(1)主动脉壁呈半月形或环形增厚，CT平扫时呈高密度，CT值约50～80Hu，增强后无强化，与强化主动脉管腔对比反呈低密度。

For patients with cryptogenic stroke associated with mobile aortic arch thrombi, we suggest either oral anticoagulation or antiplatelet agents (Grade 2C).

对于伴有主动脉弓活动性血栓的不明原因卒中患者，建议或者口服抗凝，或者服用抗血小板药物（2C级）。

Ultrastructure of aortic endothelia was observed with transmission electron microscope.

但TZDs对血管内皮作用的功能研究较多，有关形态观察的报道很少。

The hypercholesterolemic rats were selected to imitate early stage of human atherosclerosis The effects and mechanism of n-3 PUFA on endothelium were investigated with the following parameters: the morphological appearance and arrangement of endothelium stained by Ag, in vitro endothelium-dependentrelaxation of aortic ring, endothelial permeability test using Even′s Blue, blood lipid and body weight in one-week intervals, excitative and emissive spectrum of RBC membrane labeled by DPH (1, 6-Diphenyl-1, 3, 5-hexatriene), fluidity of RBC membrane, plasma and RBC membrane LPO

在整体和离体水平，选用大鼠高脂血症模型模拟动脉粥样硬化早期状况。用114只大鼠多指标着重研究n-3多不饱和脂肪酸在高脂血症状态下对内皮的保护作用，以探讨其预防动脉粥样硬化的机理。所采用指标包括：浸银法观察内皮细胞排列与形态；离体血管环观察内皮依赖性舒张；伊文氏蓝染料法观察内皮通透性。为探讨作用机理，进行了血脂和体重的动态监测、DPH(1，6-二苯基-1，3，5，乙三烯)标记红细胞膜的荧光光谱测定、红细胞膜流动性测定、血浆和红细胞膜脂质过氧化物测定。

METHOD:SD rat aortic tissue was planted with the adherent method of tissue explants. The cellular morphology was observed by inverted phase contrast microscope and the nucleus and cytoplasm were observed after haematoxylin and eosinstaining.

运用组织块贴壁法进行SD大鼠胸主动脉平滑肌细胞培养，并用倒置相差显微镜观察、HE染色后形态学观察以及用免疫组化对培养细胞进行鉴定。

The patient was a 76 year old woman who had a history of porcine valve replacement for aortic stenosis and stroke with left hemiparesis, who became withdrawn and suspicious of her surroundings.

患者是76岁女性，曾因主动脉瓣狭窄接受过猪瓣膜移植，并因脑卒中导致过轻度偏瘫，此后性格孤僻并开始怀疑周围的事物。

An aortic dissection may lead to hemopericardium when blood dissects through the media proximally.

血液渗出突破中膜时，主动脉剥离导致心包积血，大量出血致心包填塞。

Considering the underlying wall deficiency and the homodynamic stress, the Robiesek operation should be an optimal choice to those patients with a mild to moderate dilated ascending aorta caused by aortic valve lesion.

由于主动脉壁本身存在病理改变和血液动力学冲击，为防止远期升主动脉进一步瘤变或夹层形成，对以主动脉瓣病变为主的轻、中度主动脉根部扩张采用Robicsek术更为合理。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐