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cardiac sphincter

noun
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Medical Definition of cardiac sphincter

: the somewhat thickened muscular ring surrounding the opening between the esophagus and the stomach

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Dictionary Entries Near cardiac sphincter

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Cite this Entry

“Cardiac sphincter.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cardiac%20sphincter. Accessed 22 Oct. 2021.

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