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Identify the male urethra following its course from the bladder to the navicular fossa located on the glans of the penis. For descriptive purposes, the urethra is divided into three parts:
The prostatic urethra begins at the internal urethral orifice of the bladder and runs inferiorly through the prostate gland to the level of the superior fascia of the urogenital diaphragm. The structures located on the posterior wall of the prostatic urethra have been previously described.
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