Examples of sinoatrial node in a Sentence
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Each heartbeat starts with an electrical impulse fired by a cluster of cells (called the sinoatrial node) in the right atrium.
—
Christopher Lee, Verywell Health, 25 Sep. 2024
The heart’s pulse rate can be higher than this number if the sinoatrial node initiates a heartbeat naturally.
—Virginia Singla, Discover Magazine, 15 Dec. 2023
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Christopher Lee, Verywell Health, 25 Sep. 2024
The heart’s pulse rate can be higher than this number if the sinoatrial node initiates a heartbeat naturally.
—Virginia Singla, Discover Magazine, 15 Dec. 2023
Cite this Entry
“Sinoatrial node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinoatrial%20node. Accessed 10 Sep. 2025.
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