voltage-gated

voltage-gated
voltage-gat·ed -.gā-təd adj permitting or blocking passage through a cell membrane in response to an electrical stimulus (as a potential difference between the two sides of the membrane)

Medical dictionary. 2011.

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  • Voltage-gated ion channel — Voltage gated ion channels are a class of transmembrane ion channels that are activated by changes in electrical potential difference near the channel; these types of ion channels are especially critical in neurons, but are common in many types… …   Wikipedia

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  • voltage-gated channel — an ion channel that opens or closes in response to changes in the electrical potential across the cell membrane. Cf. ligand gated c …   Medical dictionary

  • voltage-gated ion channel — A transmembrane ion channel whose permeability to ions is extremely sensitive to the transmembrane potential difference. These channels are essential for neuronal signal transmission, and for intracellular signal transduction. See sodium channel …   Dictionary of molecular biology

  • Voltage-dependent calcium channel — Voltage dependent calcium channels (VDCC) are a group of voltage gated ion channels found in excitable cells (e.g., muscle, glial cells, neurons, etc.) with a permeability to the ion Ca2+.[1][2] These channels are slightly permeable to sodium… …   Wikipedia

  • Voltage clamp — The voltage clamp is used by electrophysiologists to measure the ion currents across a neuronal membrane while holding the membrane voltage at a set level. Neuronal membranes contain many different kinds of ion channels, some of which are voltage …   Wikipedia

  • gated ion channel — Transmembrane proteins of excitable cells, that allow a flux of ions to pass only under defined circumstances. Channels may be either voltage gated, such as the sodium channel of neurons, or ligand gated such as the acetylcholine receptor of… …   Dictionary of molecular biology

  • Ligand-gated ion channel — Neurotransmitter gated ion channel transmembrane region Ligand gated ion channel Identifiers Symbol Neur chan memb Pfam …   Wikipedia

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