Sinoatrial node
nodus sinuatrialis
In the anterolateral wall of the right atrium, just below the epicardium, at the junction with the superior vena cava, near the upper end of the sulcus terminalis.

In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Structure
- Neighborhood
- Blood supply
- Innervation
- Clinical
Related clinical cases
- Coronary occlusion, heart block and pacemaker