Term Name:	regulation of atrial cardiac muscle cell membrane depolarization
Synonyms:	atrial depolarization, electrocardiogram PR interval, regulation of atrial cardiac muscle cell depolarization, regulation of atrial cardiomyocyte membrane depolarization
Definition:	Any process that modulates the establishment or extent of a membrane potential in the depolarizing direction away from the resting potential in an atrial cardiomyocyte.
Ontology:	GO: Biological Process [GO:0060371]    QuickGO    AmiGO