Espiral Atlas
OrganThorax

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.

Thorax – 3D human anatomy atlas

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

Other structures in this region

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