Term Name:	negative regulation of atrial cardiac muscle cell action potential
Synonyms:	down regulation of atrial cardiac muscle cell action potential, down-regulation of atrial cardiac muscle cell action potential, downregulation of atrial cardiac muscle cell action potential, inhibition of atrial cardiac muscle cell action potential
Definition:	Any process that stops, prevents or reduces the frequency, rate or extent of atrial cardiac muscle cell action potential.
Ontology:	GO: Biological Process [GO:1903948]    QuickGO    AmiGO