During the depolarization phase, the threshold potential opens voltage-gated sodium channels, causing a large influx of sodium ions and making the inside of the cell more electropositive.

Authors

• Person: Not available Organization: Kenhub
  Action potential: Definition, Steps, Phases | Kenhub

Sources

• Action potential: Definition, Steps, Phases | Kenhub www.kenhub.com Kenhub via serper

Referenced by nodes (2)

• depolarization concept
• voltage-gated sodium channels concept