Q:

What is a sphincter

Answer

A sphincter (noun) means a ring of muscle that contracts to close an opening. Synonyms are anatomical sphincter, sphincter muscle.

Categorized In: Definitions , Biology , Health

Source: definr - sphincter | definr.com

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More ChaCha Answers (4)

A Sphincter is an annular muscle surrounding and able to contract or close a bodily opening. Thanks!

A sphincter is a ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Cha cha!

A muscular ring that closes a bodily opening

Mar 26 2009, 12:25pm | Source: Urban Dictionary: sphincter | www.urbandictionary.com

A sphincter is an annular muscle surrounding and able to contract or close a bodily opening. Thanks for using ChaCha!

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