pre·​po·​ten·​tial -pə-ˈten-chəl How to pronounce prepotential (audio)
: a slow depolarization of a plasma membrane that precedes the action potential
fast prepotentials were seen and appear similar to those recorded in hippocampal pyramidal cellsScience
compare afterpotential

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Cite this Entry

“Prepotential.” Medical Dictionary, Merriam-Webster, Accessed 25 Jul. 2024.

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