Uberon definition : The part of the cardiac conduction system that controls the timing of heart muscle
contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting
system of heart at the junction of the right atrium and the superior vena cava, around
the sinoatrial nodal branch of right coronary artery and is continuous with the internodal
tract[FMA].;
Uberon synonym : sinus node; sinuatrial node; node of Keith-Flack; sinu-atrial node; SA node; cardiac pacemaker; sinuatrial nodal muscle tissue; Koch's node; sinus node of Keith and Flack; SA nodal muscle tissue;
The part of the cardiac conduction system that controls the timing of heart muscle
contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting
system of heart at the junction of the right atrium and the superior vena cava, around
the sinoatrial nodal branch of right coronary artery and is continuous with the internodal
tract[FMA].