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sinoatrial node

noun

sinoatrial node

noun
1

Anatomy, Medicine, Sciences A group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.

Derived terms
sinoatrial nodal
Related terms
atrioventricular node

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.