All will have on the bloodflowresistance, while the study found that blood circulation in the main resistance comes from a small artery, arteriole.
所有的血管对血液流动都会产生阻力，而研究发现，血液循环中阻力最主要来源于小动脉、微动脉。
2
Detection of tumor bloodflow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).
检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。
3
ResultsNimodipine improved cerebrovascular function significantly, including increasing cerebral blood velocity and flow, decreasing cerebrovascular resistance (r) and critical pressure (CP).