sphincter (urethral)
Strong muscles that form a valve. The urethral sphincter helps control the release of urine from the body. An artificial sphincter can aid people with incontinence….
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Strong muscles that form a valve. The urethral sphincter helps control the release of urine from the body. An artificial sphincter can aid people with incontinence….
See sphincter.
Strong muscles that form a valve. The anal sphincter muscles relax when a bowel movement occurs….
The opening at the end of the bowel where solid waste matter normally leaves the body. The muscles that control it are called the anal sphincter.
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