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noun
A ring of muscle that contracts to close an opening.
synonyms: anatomical sphincter, sphincter.
is a specific kind of: muscle, musculus.
is a broader term that covers: physiological sphincter | anal sphincter, musculus sphincter ani, sphincter ani | musculus sphincter urethrae, urethral sphincter | bladder sphincter, musculus sphincter vesicae | musculus sphincter ductus choledochi | musculus sphincter ductus pancreatici | musculus sphincter pupillae, pupillary sphincter | musculus sphincter pylori, pyloric sphincter, pyloric valve.
Dutch: sfincter, sluitspierPolish: zwieracz
Find more on sphincter muscle elsewhere: etymology - rhymes - Wikipedia.
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