sphincter urethrae


sphincter ure·​thrae -yu̇-ˈrē-thrē How to pronounce sphincter urethrae (audio)
: a muscle composed of fibers that arise from the inferior ramus of the ischium and that interdigitate with those from the opposite side of the body to form in the male a narrow ring of muscle around the urethra just distal to the apex of the prostate gland and in the female a ring of muscle more generally distributed around the urethra

called also urethral sphincter

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Cite this Entry

“Sphincter urethrae.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sphincter%20urethrae. Accessed 28 May. 2023.

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