sinoatrial node cell fate commitment
The commitment of cells to sinoatrial (SA) node cell fates and their capacity to differentiate into SA node cells. SA node cells are pacemaker cells that are found in the sinoatrial node.
GO:0060927
cardiac pacemaker cell fate commitment
is_a
GO:0060921
sinoatrial node cell differentiation
part_of
SA node cell commitment
exact
SAN cell commitment
exact
sinus node cell commitment
narrow