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J Acupunct Meridian Stud. 2009 Jun;2(2):93-106. doi: 10.1016/S2005-2901(09)60041-8.

Bonghan circulatory system as an extension of acupuncture meridians.

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Biomedical Physics Laboratory, Department of Physics and Astronomy, Seoul National University, Seoul, Korea.


The Bonghan system is a newly-discovered circulatory system, which corresponds to classical acupuncture meridians and was discovered in the early 1960s by Bonghan Kim. Despite its potential importance in biology and medicine, it has been ignored or forgotten for a long time. Only recently have most of its significant parts, such as the Bonghan system (BHS) inside blood or lymph vessels, on the surfaces of internal organs, and in brain ventricles, been confirmed. For this, novel methods using modern technology were necessary because Bonghan Kim did not describe his methods. For example, Among other methods, the discovery of a BHS-specific dye, trypan blue, was one of the most important original contributions that made BHS observation possible. With this technique, the BHS in adipose tissue became traceable, and the BHS was discovered on the fascia surrounding tumor tissues, a finding which may have great significance in relation to serious health problems in modern society, namely, obesity and cancer.

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