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Noun: sphincter  sfingk-tu(r)
  1. A ring of muscle that contracts to close an opening
    - anatomical sphincter, sphincter muscle

Derived forms: sphincters

Type of: muscle, musculus

Encyclopedia: Sphincter

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sphericalness
sphericity
spherocyte
spheroid
spheroid joint
spheroidal
spherometer
spherule
spherulite
spherulitic
sphincter
sphincter ani
sphincter muscle
sphingid
Sphingidae
sphingine
sphinx
Sphinx
sphinx moth
sphragistics
sphygmograph