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external urethral sphincter


Definition: muscle that constricts membranous urethra to retain urine in bladder; nerve supply, pudendal.

Synonym(s): sphincter urethrae externusTA, Guthrie muscle, musculus constrictor urethrae, musculus sphincter urethrae externus, sphincter muscle of urethra, Wilson muscle1

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.