方法离体兔主动脉环张力描记法。
Methods Rabbit isolated aortic ring tension recording method was used.
蜂毒肽对去内皮主动脉环由苯肾上腺素引起的收缩无作用；
In endothelium-denuded aorta rings, melittin did not have the effect on the contractile responses induced by PHE.
并对元素含量与主动脉环展开角度数之间的相关性进行分析。
Relationship of elements content in aorta with opening angle of aortic rings was analyzed in diabetic rats.
目的：研究红景天苷对胸主动脉环的舒张作用并探讨其可能的机制。
Objective: To investigate the vasorelaxan t effect of puerarin in rat aortic rings and the mechanism.
末次接种后两周检测各组T细胞对HSP60的反应和主动脉环的内皮依赖性舒张功能。
Two weeks after the last time inoculated, the response of T lymphocytes to HSP60 and endothelial-dependent diastolic function of aortic ring were detected.
用带瓣同种肺动脉或主动脉及人造血管，建立右心室流入道三尖瓣环下方至主肺动脉的外管道。
By using allograft conduit, an external valved conduit was reconstructed between the inlet of the right ventricle and the main pulmonary artery.
结论：小主动脉瓣环者，如果按照常规瓣膜替换顺序，将带来瓣膜座环困难、瓣周漏、主动脉切口出血等并发症。
Conclusion: It is difficult to place prosthetic valve in routine sequence of valve replacement in patients with small aotic annulus and perivalvular leakage and hemorrhage of aotic incision may occur.
目的：观察血小板衍生生长因子-BB (PDGF - BB)对大鼠主动脉血管环的收缩作用。
AIM: to investigate the effects of platelet-derived growth factor BB (PDGF-BB) on vasoconstriction of the vascular vessels.
目的：观察血小板衍生生长因子-BB (PDGF - BB)对大鼠主动脉血管环的收缩作用。
AIM: to investigate the effects of platelet-derived growth factor BB (PDGF-BB) on vasoconstriction of the vascular vessels.
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