经络学说在内经中有经典的描述

在针灸临床上观察到经络感传现象。有人报告针感传导现象在人群呈Poisson分布

李定忠在临床上观察到循经出现皮疹的现象

蒋来等用红外呈相仪直接观察到针感循A point electric discharge plate(pED) has been successfully produced according to the method reported by Luciani R. J. who had carried out direct observation and photography of electro-conductive points on human skin. The electrode is transparent

allowing 75% light transmittance. It is a double plated glass with five kinds of space gaps(0.15

0.5

0.8

1.0 and 1.5 cm). and high frenquency as a power source. Experimnts were carted out on ten subjects in a dark room. Spark dischanges were observed but no characteristically different spark discharges were seen on channel and non-channel sites. Experimental results suggest that the specificity showing channel phenomena should be further investigated.