membrane depolarization during SA node cell action potential
The process in which SA node cardiac muscle cell 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.
GO:0086012
membrane depolarization during cardiac muscle cell action potential
is_a
GO:0086015
SA node cell action potential
part_of
membrane depolarization involved in regulation of SA node cardiac muscle cell action potential
exact
membrane depolarization involved in regulation of SAN cardiac muscle cell action potential
exact
membrane depolarization involved in regulation of sinoatrial node cardiac muscle cell action potential
exact
membrane depolarization involved in regulation of sinus node cardiac muscle cell action potential
narrow