The urethra is a hollowed tubular organ through which urine is expelled from the body. This structure extends from the bladder to the external opening, allowing urine to be released.
The anatomy of the urethra differs between males and females. In females, the urethra is short, measuring about 3–4 cm in length, and opens anterior to the vaginal opening. In males, the urethra is longer and passes through the penis, serving dual purposes: expelling urine and ejaculating semen. The male urethra is divided into three distinct regions:
Both males and females have two sphincters that regulate the flow of urine:
The urethra is essential for the excretion of urine and, in males, for the ejaculation of semen. Understanding the anatomy and function of the urethra is crucial for diagnosing and managing conditions such as urinary tract infections, incontinence, and other disorders of the urinary system.
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