sinoatrial node

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sinoatrial node

noun sinoatrial nodes · SA node

  1. A group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.

    Similar: sinus node, pacemaker

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MLA

"sinoatrial node." Wiktionary, via Micwyn, micwyn.com/word/sinoatrial%20node. Accessed 6 Nov. 2026.

APA

sinoatrial node. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/sinoatrial%20node

Chicago

"sinoatrial node." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/sinoatrial%20node.

BibTeX
@misc{sinoatrial_node_2026,
  title = {sinoatrial node},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/sinoatrial%20node},
  urldate = {2026-11-06}
}