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Evidence-Based Complementary and Alternative Medicine
Volume 2015 (2015), Article ID 410979, 14 pages
Review Article

Classic and Modern Meridian Studies: A Review of Low Hydraulic Resistance Channels along Meridians and Their Relevance for Therapeutic Effects in Traditional Chinese Medicine

1Institute of Acupuncture & Moxibustion, China Academy of Chinese Medical Sciences, Beijing 100700, China
2Department of Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden

Received 23 September 2014; Accepted 10 December 2014

Academic Editor: Waris Qidwai

Copyright © 2015 Wei-Bo Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Meridian theory is one of the core components of the theory of traditional Chinese medicine (TCM). It gives an integral explanation for how human life works, how a disease forms, and how a therapy acts to treat a disease. If we do not understand the meridians, it is hard to understand the TCM. People in China and abroad had been working hard for 50 years, trying to understand the meridians; then 15 years ago a breakthrough idea appeared when we realized that they are low resistance fluid channels where various chemical and physical transports take place. The channel is called low hydraulic resistance channel (LHRC) and the chemical transport is named volume transmission (VT). This review aims to give a full understanding of the essence of meridian and its works on the therapies of TCM.