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Pronunciation: mi'kro-e-lek'trod

Definition: An electrode of very fine caliber consisting usually of a fine wire or a glass tube of capillary diameter (10 mcm–1 mm) drawn to a fine point and filled with saline or a metal such as gallium or indium (while melted); used in physiologic experiments to stimulate or to record action currents of extracellular or intracellular origin.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.