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  2. Ion channel - Wikipedia

    en.wikipedia.org/wiki/Ion_channel

    Ion channels are located within the membrane of all excitable cells, [ 3] and of many intracellular organelles. They are often described as narrow, water-filled tunnels that allow only ions of a certain size and/or charge to pass through. This characteristic is called selective permeability.

  3. List of Ion Television affiliates - Wikipedia

    en.wikipedia.org/wiki/List_of_Ion_Television...

    Ion Television is a television network based in the United States made up of 44 owned-and-operated stations and 194 network affiliates, 164 of which broadcast as digital subchannels. [ 1] The Ion-owned stations are a part of the Ion Media unit of Scripps Networks, a wholly-owned subsidiary of the E. W. Scripps Company.

  4. Voltage-gated ion channel - Wikipedia

    en.wikipedia.org/wiki/Voltage-gated_ion_channel

    Voltage-gated ion channels have a crucial role in excitable cells such as neuronal and muscle tissues, allowing a rapid and co-ordinated depolarization in response to triggering voltage change. Found along the axon and at the synapse, voltage-gated ion channels directionally propagate electrical signals. Voltage-gated ion-channels are usually ...

  5. Voltage-gated sodium channel - Wikipedia

    en.wikipedia.org/wiki/Voltage-gated_sodium_channel

    Voltage-gated sodium channels ( VGSCs ), also known as voltage-dependent sodium channels ( VDSCs ), are a group of voltage-gated ion channels found in the membrane of excitable cells ( e.g., muscle, glial cells, neurons, etc.) with a permeability to the sodium ion Na +. They are the main channels involved in action potential of excitable cells.

  6. AOL Mail

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. Lipid-gated ion channels - Wikipedia

    en.wikipedia.org/wiki/Lipid-gated_ion_channels

    K v 7 channels: PIP 2 binds to and directly activates K v 7.1. In the same study PIP 2 was shown to function as a ligand. When the channel was reconstituted into lipid vesicles with PIP 2 the channel opened, when PIP 2 was omitted the channel was closed. TRP channels: TRP channels were perhaps the first class of channels recognized as lipid-gated.

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  9. Cation channels of sperm - Wikipedia

    en.wikipedia.org/wiki/Cation_channels_of_sperm

    InterPro. The cation channels of sperm also known as Catsper channels or CatSper, are ion channels that are related to the two-pore channels and distantly related to TRP channels. The four members of this family form voltage-gated Ca 2+ channels that seem to be specific to sperm. As sperm encounter the more alkaline environment of the female ...