What is the Prostate

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About the Prostate:

Understanding what happens when prostate cancer begins to grow also helps explain how each of the different treatment options for prostate cancer is utilized.


Normal Anatomy
The prostate is a small, squishy gland about the size of a walnut that sits under the bladder and in front of the rectum. The urethra, the narrow tube that runs the length of the penis and that carries both urine and semen out of the body, runs directly through the prostate; the rectum, or the lower end of the bowel, sits just behind the prostate and the bladder.

Sitting just above the prostate are the seminal vesicles, two little glands that secrete about 60% of the substances that makes up semen; running alongside and attached to the sides of the prostate are the nerves that control erectile function.