sinoatrial
adjective
si·no·atri·al
ˌsī-nō-ˈā-trē-əl 
: of, involving, or being the sinus node
sinoatrial block
Examples of sinoatrial in a Sentence
Recent Examples on the Web
These cells, known as your sinoatrial (SA) node, tell your heart when and how to beat in order to send oxygen-rich blood throughout your body.
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Rachel Nall, Msn, SELF, 18 Aug. 2022
Rachel Nall, Msn, SELF, 18 Aug. 2022
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sinoatrial.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
New Latin sinus + atrium
First Known Use
1913, in the meaning defined above
Phrases Containing sinoatrial
Dictionary Entries Near sinoatrial
Cite this Entry
“Sinoatrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinoatrial. Accessed 18 Apr. 2024.
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Medical Definition
sinoatrial
adjective
si·no·atri·al
ˌsī-nō-ˈā-trē-əl
variants
also sinuatrial
: of, involving, or being the sinoatrial node
sinoatrial block
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