An upper arm artery's ability to relax and expand to accommodate increased blood flow -- known as flow mediated dilation （FMD） -- was measured using high-frequency ultrasound before and after daily cocoa or placebo consumption.
An upper arm artery's ability to relax and expand to accommodate increased blood flow -- known as flow mediated dilation （FMD） -- was measured using high-frequency ultrasound before and after daily cocoa or placebo consumption.
在每日摄食可可或安慰剂前后，（研究人员）利用高频超音波，对肱动脉因应增加之血流的舒张能力；亦即流量介导扩张（FMD）进行测量。