cardiac sphincter

noun

Medical Definition of cardiac sphincter

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

Learn More About cardiac sphincter

Dictionary Entries Near cardiac sphincter

cardiac reserve

cardiac sphincter

cardiac tamponade

See More Nearby Entries 

Cite this Entry

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

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!