What is another word for urethral sphincter?
Pronunciation: [jˈʊ͡əɹɛθɹə͡l sfˈɪŋktə] (IPA) 
The urethral sphincter is a ring of muscle that surrounds the urethra and controls the flow of urine. There are various synonyms for this important anatomical structure, including the external urethral sphincter, the striated urethral sphincter, and the urinary sphincter. The external urethral sphincter is so named because it is located outside the urethra, while the striated urethral sphincter refers to the voluntary control of this muscle group. The urinary sphincter is a more general term that encompasses both the internal and external sphincters and can include the smooth muscle of the bladder neck. Together, these synonyms describe an essential muscle group responsible for urination and bladder control.
