Skip to Content
Medical Term:

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

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