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Glossary of Physiology Terms -
Tetraethyl ammonium

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Tetraethyl ammonium

Abbreviation:
TEA

Definition:
An inhibitor of voltage-gated potassium (K+) channels.

TEA is a quaternary ammonium cation (positively charged ion). It is also commonly used as a cation replacement for sodium (Na+) in physiological buffers used in ion replacement experiments.

See also:
Pharmacological Inhibition of Na+ and K+ Channels




Posted: Sunday, February 16, 2014
Last updated: Wednesday, March 12, 2025
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