vasoconstriction

Vasoconstriction and vasodilatation are separate mechanisms.

血管的收缩和扩张分别具有不同的机理.

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An Often Unrecognized Cause of Thunderclap Headache: Reversible Cerebral Vasoconstriction Syndrome.

霹雳头痛也可能源于可逆的脑血管收缩.

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Cerebrovascular reactivity ( CVR) is a compensatory ability of cerebral micro vessels to maintain the stability of cerebral blood flow by vasodilation or vasoconstriction.

脑血管反应性（cerebrovascular reactivity，CVR）是脑微小血管自身通过血管舒张或收缩维持脑血流量稳定的代偿能力。

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Histamine causes vasoconstriction and increased permeability of small venules.

组织胺能引起血管收缩,并增强小静脉的透性.

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Objective: The calcineurin inhibitors ( CNI), mainly including cyclosporine and tacrolimus, have been the first-line immunosuppression in the organ transplantation field, but they can also induce the intrarenal vasoconstriction.

目的：钙调神经蛋白抑制剂（CNI）是目前移植领域抗排异的一线用药，主要包括环孢素与他克莫司，二者均能引起移植肾内血管收缩。

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To investigate the mechanism and to explore the measures of and treatment of hypothermal vasoconstriction.

目的探讨低温性血管收缩的机制和防治措施.

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Invigorate the coffee contains acid, can prevent blood clots, hemolytic and enhance vasoconstriction, reduce stroke risk.

活血化瘀咖啡所含的亚油酸, 能溶血及阻止血栓形成, 增强血管收缩, 降低中风机率.

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Secondly, the norepinephrine ( NE) induced vasoconstriction was antagonized by different concentration of active components of Achyranthes bidentata Blume, and its diastolic level was observed.

再用不同浓度的怀牛膝有效成分对抗去甲肾上腺素（NE）引起的血管收缩，观察其舒张程度。

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Experimental study of mechanism and measures of prevention and treatment of hypothermal vasoconstriction

低温性血管收缩的机制及防治措施的研究

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Conclusions-These findings demonstrate that HBOC can cause systemic vasoconstriction by scavenging NO produced by NOS 3.

结论 — 这些发现说明HBOC通过清除NOS3制造的NO从而引起全身血管收缩.

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the role of sympathetic nervous system in the hypoxic pulmonary vasoconstriction

交感神经在肺泡缺氧性肺血管收缩反应中的作用

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effects of plant alkaloid on 5-hydroxytryptamine induced vasoconstriction of dog saphenous vein

药物对5-羟色胺引起的犬离体大隐静脉收缩作用的影响

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Combined with the function which has known already of propranolol on vascular endothelial cells, vascular tone, angiogenesis, and cell apoptosis, we speculated that the possible mechanisms for oral propranolol treatment of infantile hemangioma: ( 1), the vasoconstriction role.

结合已经明了的普萘洛尔对血管内皮细胞、血管张力、血管生成及细胞凋亡等方面的作用，我们推测口服普萘洛尔治疗婴幼儿血管瘤的可能机制为：（1）、血管收缩作用。

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Abnormal vasoconstriction of digital arteries and cutaneous arterioles due to a local defect in normal vascular responses is thought to underlie the disorder.

本病的基础是因正常血管反应的局部缺陷而导致的指（趾）动脉和皮肤小动脉的异常血管收缩。

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Both acute or chronic hypoxia can cause vasoconstriction and vasoconstriction increase.

急性或慢性的低氧都能使肺血管收缩,血流阻力增大.

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The vasoconstriction sends the lower limb vascular occlusion, hypertension, the stroke and so on.

血管收缩而致下肢血管闭塞 、 高血压 、 中风等.

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the effect of calcitonin gene-related peptide on vasoconstriction induced by arginine vasopressin

降钙素基因相关肽对血管升压素缩血管效应的影响

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Additionally low arterial pressure triggers an adrenergic response with sympathetic-mediated vasoconstriction and often increased heart rate.

而且,低动脉压触发肾上腺素能反应,导致交感神经介导性血管收缩,常会使芯率加快.

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The addition of epinephrine to local anesthetic solutions produces vasoconstriction.

局麻药溶液中加入肾上腺素,使血管收缩.

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ET might be the important factor to cause vasoconstriction, resulting in the portent symptoms.

ET可能是导致血管收缩，引起先兆症状的重要因子。

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