A cluster of pacemaker cells in the right atrial wall near the opening of the superior vena cava that spontaneously generates electrical impulses, setting the intrinsic heart rate. Also called the SA node or cardiac pacemaker.
A cluster of pacemaker cells in the right atrial wall near the opening of the superior vena cava that spontaneously generates electrical impulses, setting the intrinsic heart rate. Also called the SA node or cardiac pacemaker.
Understanding the term "Sinoatrial Node" is essential for studying human anatomy because it provides precise language for describing body structures, their positions, and their relationships. Standardized anatomical terminology ensures clear communication among healthcare professionals, researchers, and students worldwide.
This information is for educational purposes only. It is not intended as medical advice. Consult a healthcare professional for medical concerns.