Specificity Study on Concentration of Monoamine Transmitters at Acupoint and Effect of Acupuncture on Its Distribution

Figure 1

Illustration of the microdialysis probe (concentric type). The parts are (1) inlet tubing, (2) outlet tubing, (3) polyethylene plastic pipe, (4) 6th stainless steel needle, (5) dialysis tube, and (6) capillary tube.