The prostate is an important gland located between the penis and bladder. It sits just to the front of the rectum. The urethra, which carries urine from the bladder out of the body, runs through the center of this walnut-sized organ. The gland's primary function is to secrete fluid that nourishes sperm and keeps it safe. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.