Canadian Medical Guide > Biological Sciences > Biological Phenomena, Cell Phenomena, and Immunity > Cell Physiology > Ion Channel Gating Terms and Definitions

Ion Channel Gating

Medical Definition:	The opening and closing of ion channels due to a stimulus. The stimulus can be a change in membrane potential (voltage-gated), drugs or chemical transmitters (ligand-gated), or a mechanical deformation. Gating is thought to involve conformational changes of the ion channel which alters selective permeability.
Guide Notes:	"opening & closing of ion channels" after various types of stimulation; DF: GATING
Previously Indexed:	Electric Conductivity (1966-1989),Electrophysiology (1966-1989),Ion Channels (1979-1989),Membrane Potentials (1966-1989)

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