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- Keywords Phenylephrine;Acetylcholine;Thoracic aorta ring;rat;Segmental reactive variation;Equal transformation; 苯肾上腺素;乙酰胆碱;胸主动脉环;大鼠;节段反应差异;等效转换;
- Methods Measurement of isometric force of rabbit thoracic aortae rings was performed. 方法采用家兔离体主动脉环进行等长张力实验。
- The thoracic aortic rings without endothelium of male Sprague- Dawley rats were mounted on a bath system . 铁对血管的直接效应及其对血管收缩功能的影响尚不明确。
- Objective:To observe the vasodilator effect of Fructus Lycii extract on thoracic aortae rings of rats in vitvo. 目的:研究枸杞子提取物对大鼠离体胸主动脉的舒张作用。
- Results:The tension of thoracic aortic rings of rats was significantly increased by adrenalin,and was slowly decreased by Fru... 结论:枸杞子提取物可抑制肾上腺素所致的离体大鼠胸主动脉收缩。
- Then adrenalin and Fructus Lycii extract were added into the bath solution,and the tension of thoracic aortic rings was recorded. 结果:肾上腺素能迅速升高离体大鼠胸主动脉张力,并维持于一定水平,而枸杞子提取物能缓慢地降低离体大鼠胸主动脉张力。
- RESULTS: A total of 68 thoracic aortas rings were obtained from 17 enrolled rats, 8 of which were excluded for disqualification, and the rest 60 rings were used in the experiment. 结果:纳入大鼠17只,共取得胸主动脉环68个,共8个不合格予以剔除,其余60个胸主动脉环均用于实验。
- thoracic aorta ring 胸主动脉环
- Methods; The responses of the isolated thoracic aortic rings of rats to acetylcholine ( Ach) , sodium nitroprusside (SNP) and NG-nitro-L-arginine methyl ester (L-NAME) were observed after the incubation with OA and OA + DMA respectively. 方法:分别用OA及OA+DMA温育离体大鼠胸主动脉环,观察其对乙酰胆碱(Ach),硝普钠(SNP),L-N-硝基精氨酸甲酯(L-NAME)的反应。
- CO can upregulate H_(2)S/ CSE system in thoracic aorta of rats. 在正常大鼠胸主动脉组织孵育中CO上调H2S/CSE体系。
- The abdominal aorta is normally smaller than the thoracic aorta. 腹主动脉一般比胸主动脉小。
- Equal Transformation to Deal with Segmental Variation at Thoracic Aorta Rings Stimulated by Phenylephrine and Acetylcholine in Rats 大鼠胸主动脉舒缩反应节段性差异的等效转换
- Isolated rat thoracic aortic rings 主动脉环
- Methods VSMCs proliferation model of cultured rat thoracic aorta was constructed. 方法建立大鼠胸主动脉血管平滑肌细胞增殖模型。
- thoracic aorta rings 胸主动脉
- The abdominal aorta is normally smaller than the thoracic aorta, and rupture of the abdominal aorta usually occurs at smaller sizes than in the thorax. 腹主动脉一般比胸主动脉小,因此腹主动脉瘤破裂时的尺寸,通常也比胸主动脉瘤破裂时来得小。
- Objective To evaluate clinic value of echocardiogram diagnosis on aneurysm of thoracic aorta. 目的评价超声心动图在胸主动脉瘤诊断中的临床价值。
- According to "the angle of esophagus touched thoracic aorta" criterion, accuracy is 85%(51/60) . 以食管接触胸主动脉的夹角为标准,本组准确度85%25(51/60)。
- Methods The effects of artesunate was detected in morphological development on model of chick chorioallantoic membrane, rat aorta ring explan and umbilical vein endothelial cells. 方法采用鸡胚绒毛尿囊膜模型、大鼠主动脉环无血清培养及人脐静脉内皮细胞体外培养,检测青蒿琥酯在新生血管形态发育过程中的作用。
- Purpose:The arteriosclerosis and circuity of thoracic aorta will press the oesophagus and causes dysphagia. 目的:观察主动脉硬化迂曲,推移压迫食管引发临床吞咽困难的影像学表现。