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External urethral sphincter - male
Other Terms: Sphincter urethrae - male
Musculus sphincter urethrae externus (female)
Latin muscle parts
Pelvis/perineal wall – lateral musculature – middle layer
In English, this muscle’s name is the outer muscle that binds tight around the urine maker. The word external comes from the Latin externus meaning “outward.”The word urethrae arises from the Greek ourethra meaning “to make urine.” This comes from the Greek ouron meaning “urine.” This is an ancient term that is traceable back to the time of Hippocrates.The word sphincter comes from the Greek sphinkter meaning “that which binds tight,” which in turn comes from the Greek verb sphingein meaning “to bind tight.”
Inside surface of the inferior pubic ramus and the anterior surface of the prostate gland.
Posterior surface of the prostate gland and the perineal body.
Close the urethra; assists with ejaculation.
Perineal branches of the pudendal nerve (S2, S3, and S4)
Internal pudendal artery from the internal iliac artery.