Definition of action potential in English:

action potential

Syllabification: ac·tion po·ten·tial

noun

Physiology
  • The change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell.
    More example sentences
    • An outstanding example of the success of this approach is the experimental analysis of the resting potential and the action potential (nerve impulse) by Hodgkin and colleagues in the late 1940s.
    • During transduction, potassium floods into the hair cell, depolarising the cell and triggering an action potential in the associated cochlear neurones.
    • The latter is known to be due to the fact that hypocalcemia prolongs the duration of phase two of the action potential of cardiac muscle.

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