A third study evaluated the electrical impedance of normal and chronically infarcted left ventricular myocardium from sheep and reported a highly significant correlation between impedance and collagen content based on histological analyses [29] .
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Electrical impedance of acupuncture meridians: the relevance of subcutaneous collagenous bands.
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Discussion In summary, we found an overall trend towards reduced impedance at all meridian segments compared to adjacent controls at 10 and 100 kHz frequency, although this decrease was statistically significant only at the LI meridian segment.
Mean impedances at the other two meridian sites showed a trend toward reduced levels for both frequencies although neither reached statistical significance.