microelectrode

microelectrode
An electrode of very fine caliber consisting usually of a fine wire or a glass tube of capillary diameter (10 μm to 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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mi·cro·elec·trode .mī-krō-i-'lek-.trōd n a minute electrode esp one that is inserted in a living biological cell or tissue in studying its electrical characteristics

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n.
an extremely fine wire used as an electrode to measure the electrical activity in small areas of tissue. Microelectrodes can be used for recording the electrical changes that occur in the membranes of cells, such as those of nerve and muscle.

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mi·cro·elec·trode (mi″kro-ə-lekґtrōd) an electrode with an extremely small tip, used in a voltage clamp or other apparatus to stimulate or record bioelectric potentials of single cells intracellularly or extracellularly.

Medical dictionary. 2011.

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  • microélectrode — [ mikroelɛktrɔd ] n. f. • 1969; de micro et électrode ♦ Technol. Électrode de diamètre très réduit utilisée en électrophysiologie. Mesurer l activité d un neurone à l aide de microélectrodes. ● microélectrode nom féminin Électrode dont l… …   Encyclopédie Universelle

  • microelectrode — mikroelektrodas statusas T sritis Standartizacija ir metrologija apibrėžtis Labai mažų matmenų elektrodas. atitikmenys: angl. microelectrode vok. Mikroelektrode, f rus. микроэлектрод, m pranc. microélectrode, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • microélectrode — mikroelektrodas statusas T sritis Standartizacija ir metrologija apibrėžtis Labai mažų matmenų elektrodas. atitikmenys: angl. microelectrode vok. Mikroelektrode, f rus. микроэлектрод, m pranc. microélectrode, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • microelectrode — mikroelektrodas statusas T sritis fizika atitikmenys: angl. microelectrode vok. Mikroelektrode, f rus. микроэлектрод, m pranc. microélectrode, f …   Fizikos terminų žodynas

  • microélectrode — mikroelektrodas statusas T sritis fizika atitikmenys: angl. microelectrode vok. Mikroelektrode, f rus. микроэлектрод, m pranc. microélectrode, f …   Fizikos terminų žodynas

  • microelectrode — mikroelektrodas statusas T sritis chemija apibrėžtis Mažų matmenų elektrodas. atitikmenys: angl. microelectrode rus. микроэлектрод …   Chemijos terminų aiškinamasis žodynas

  • microelectrode — noun Date: 1917 a minute electrode; especially one that is inserted in a living biological cell or tissue in studying its electrical characteristics …   New Collegiate Dictionary

  • microelectrode — n. [Gr. mikros, small; elektron, amber] Small electrode for sensing electrical activity in a neuron …   Dictionary of invertebrate zoology

  • microelectrode — An electrode, with tip dimensions small enough (less than 1 m m) to allow non destructive puncturing of the plasma membrane. This allows the intracellular recording of resting and action potentials, the measurement of intracellular ion and pH… …   Dictionary of molecular biology

  • microelectrode — mi·cro·e·lec·trode (mī krō ĭ lĕkʹtrōd ) n. A very small electrode, often used to study electrical characteristics of living cells and tissues. * * * …   Universalium

  • microelectrode — noun A very small, fine electrode, most often used to study the electrical behaviour of biological cells or tissues …   Wiktionary

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