Figure 4
From: Influence of age, gender and race on nitric oxide release over acupuncture points-meridians

Quantification of nitric oxide (NO) metabolites over skin acupoints/meridians in Asian compared to white subjects.
Concentrations of total nitrite plus nitrate (NOx−) were compared between Asian and white normal weight subjects over the regions along the Pericardium (PC) meridian (n = 16 and 6) and Bladder (BL) meridian (n = 9 and 5). NOx− concentrations (nmol/cm2) were obtained over acupoints, meridian lines without acupoint (MWOP) and non-meridian control region (NMCR). Each bar represents the mean values and vertical bars represent S.E.M.