sinoatrial
/ˌsaɪnoʊˈeɪtriəl/
adjective
- Relating to the sinoatrial node, the part of the heart that controls the heartbeat.
- Doctors examined the sinoatrial function to diagnose the patient's arrhythmia.
- Sinoatrial cells are specialized muscle cells in the right atrium.
- The sinoatrial node generates electrical impulses that make the heart beat.