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Action potential initiation

The initiating cycle of an action potential. In vertebrate neurons this typically occurs at an axon hillock. Not all initiated axon potentials propagate.

Pronunciation
/ˈakʃən pəʊˈtɛnʃəl ɪˌnɪʃɪˈeɪʃn/
/ˈækʃən pəˈtɛntʃəl ɪˌnɪʃiˈeɪʃən/