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
One wire rests near the sinoatrial node, and the second in one of the heart’s ventricles.
—Virginia Singla, Discover Magazine, 15 Dec. 2023
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
Of the billions of cells in the human heart, a mere 10,000 pacemaker cells---collectively called the sinoatrial node---are responsible for sending the electrical pulse through the remaining heart cells.
—Breanna Draxler, Discover Magazine, 19 Dec. 2012
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Christopher Lee, Verywell Health, 25 Sep. 2024
One wire rests near the sinoatrial node, and the second in one of the heart’s ventricles.
—Virginia Singla, Discover Magazine, 15 Dec. 2023
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
Of the billions of cells in the human heart, a mere 10,000 pacemaker cells---collectively called the sinoatrial node---are responsible for sending the electrical pulse through the remaining heart cells.
—Breanna Draxler, Discover Magazine, 19 Dec. 2012
Cite this Entry
“Sinoatrial node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinoatrial%20node. Accessed 4 Mar. 2025.
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