musculus sphincter vesicae(redirected from internal urethral sphincter)
Also found in: Thesaurus, Medical.
Related to internal urethral sphincter: External urethral sphincter, external urethral sphincter muscle
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|Noun||1.||musculus sphincter vesicae - the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening|
urinary bladder - a membranous sac for temporary retention of urine
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