The process in which membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
membrane repolarization during action potential +
mitochondrial depolarization +
negative regulation of action potential +
negative regulation of membrane depolarization +
neuronal action potential +
positive regulation of action potential +
positive regulation of membrane depolarization +
regulation of action potential +
regulation of membrane depolarization +
regulation of skeletal muscle contraction by action potential +
regulation of vascular associated smooth muscle cell membrane depolarization +