Sphincter Definition

sfĭngktər
sphincters
noun
sphincters
A ring-shaped muscle that surrounds a natural opening in the body and can open or close it by expanding or contracting.
Webster's New World
Synonyms:
  • sphincter muscle
  • anatomical sphincter

Other Word Forms of Sphincter

Noun

Singular:
sphincter
Plural:
sphincters

Origin of Sphincter

  • Late Latin sphinctēr from Greek sphinktēr from sphingein to bind tight

    From American Heritage Dictionary of the English Language, 5th Edition

Sphincter Sentence Examples

  • Besides the sphincter pupillae, the fibres of the ciliary muscle are stimulated.

  • The sphincter of Oddi surrounds the ampulla and prevents reflux of duodenal contents into the pancreatic duct.

  • Feeling confident you have the muscle tone required for a controlled venting operation, you allow the sphincter to slightly relax.

  • Particular medicines can make.g.RD worse by relaxing the sphincter, e.g. diazepam.

  • Hiatus hernia Other risks chocolate, peppermint, coffee and alcohol hamper sphincter function.

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Words Starting With

SSPSPH

Words Ending With

RERTER

Unscrambles

sphincter

Words Starting With S and Ending With R

Starts With S & Ends With RStarts With SP & Ends With RStarts With S & Ends With ER

Word Length

9 Letter Words9 Letter Words Starting With S9 Letter Words Ending With R