- To close an ion channel by electrical (membrane potential) or chemical (neurotransmitter) action.
- Action of a special nerve fiber to block the transmission of impulses through a synapse, gating of pain impulses at synapses in the dorsal horns.
- A device that can be switched electronically to control the passage of a signal.
- To use a physiologic signal, such as an ECG, to trigger an event such as an x-ray exposure or to partition continuously collected data.
See Also: cardiac gating
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Examples: glitazone, GI cocktail, etc.