musculus sphincter urethrae

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Noun1.musculus sphincter urethrae - a striated sphincter muscle that constricts the urethra
urethra - duct through which urine is discharged in most mammals and which serves as the male genital duct
anatomical sphincter, sphincter, sphincter muscle - a ring of muscle that contracts to close an opening
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References in periodicals archive ?
Women have corresponding structures, but are notable for lack of Cowper's glands, the presence of the inferior vagina at the level of the introitus, and the piercing of the sphincter urethrae by the inferior two -thirds of the urethra.