sphincters
sphinc-ters
noun
Ring-shaped muscles that contract to close a natural opening in the body.
"The anal sphincters control bowel movements."
Thesaurus
Synonyms: sphincter muscle, anatomical sphincter
sphinc-ters
Ring-shaped muscles that contract to close a natural opening in the body.
"The anal sphincters control bowel movements."
Synonyms: sphincter muscle, anatomical sphincter