【摘要】 本文应用三通道组织氧分压测试仪，测定了大肠经和心包经及其两侧旁开的非经对照区的组织氧分 压。对６０名志愿者进行了１８０次的实验观察，初步结果如下：针前大肠经及心包经经脉循行线上的组织氧分 任明显高于左右非经对照部位的组织氧分压，两者差异非常显著；电针合谷穴或内关穴时相应的经脉循行线上 各测试点的组织氧分压明显降低，与针刺前比较差异非常显著；左右旁开的非经对照点的组织氧分压虽也略有 降低，但与针前相比两者无显著差异；停止电针之后１５ｍｉｎ，各测试点的组织氧分正逐步回升，但经线上测试点 和旁开非经对照点之间尚无显著差异。对大肠经和心包经的观察结果基本一致。针刺引起经脉线上的组织氧 分压降低可能是由于电针使经脉循行线上各测试点组织细胞的代谢增强，耗氧量增多所引起，而非血流量的减 少所造成。更多还原

【Abstract】 In order to probe into the mechanism of meridian phenomenon and the corresponding substantial basis in "Periphery", a specially designed instrument with 3 channels for measuring the partial pressure of oxygen was used to measure the PO2 in deep tissue along meridian course. 180 times observation were performed on 60 volunteers. Five tested points along Large Intestine Meridian were selected for observation, namely Binao(LI 14), Quchi(LI 11) Xialian(LI 8) and mid-point of the connecting line from Binao(LI 14) to Quchi(LI 11), Quchi(LI 11) to shousanli (LI 10) respectively. At the same time, the spots locating on the both sides of above 5 tested points were taken as controls. In the same way, 3 levels along pericardium Meridian were tested, 2 acupoints, namely Ximen(PC4) Jianshi(PC 5), and the nonacupoint on the mid-point of the connecting line from Quze (PC 3) to Ximen (PC 4). Every three points on the same level were measured in each experiment. The results revealed that the PO2 of the tested points along the meridian course before acupuncture are higher than that of the controls, during acupuncturing Hegu(L14) or Neiguan (PC 6) the PO2 along the corresponding meridian course decreased rapidly in the first minute and then keep stable in a period of 30 minutes. In contrast, the change of PO2 of the controls were slight. The difference of the variation of PO2 between the tested points and controls were all significcant (P＜0.05) in the above two groups, after withdrawing the needle, the PO2 of every spots increased gradually, but the PO2 along the meridian and that of controls showed no marked difference. The results suggest that the PO2 along the meridian course was higher than that of controls, showing a character of following the meridian course. Acupuncture probably enhance the oxygen consumption of the tissue cells along the meridian course and result in the sharply decrease of the PO2, in other word, increasing the coefficient of oxygan utilization, The above results confirm that there maybe a certain substantial process advancing along the meridian course during acupuncture and provide some significant facts for further elucidation of the essence of meridian and the mechanism underlying the realization of the acupuncture effect.更多还原