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. 2013 Jul;20(3):99–107. doi: 10.5214/ans.0972.7531.200305

Fig. 12:

Fig. 12:

Diagram of the equivalent circuit model of a cell membrane (Jones, 2012). The lipid bilayer functions as a capacitive element, a phenomenon that, if recreated in the agarose gel, is believed to imbue the model with an impedance response similar to that of in vivo tissue. More research is warranted.