The prostate is a small, but important organ (or gland) found only in the male reproductive system. Its main role is to make fluid that protects and feeds sperm. The prostate makes about half of the fluid released from the penis when orgasm happens.
In young men, the prostate is about the size of a walnut (20g) and gets bigger as men get older. It sits underneath the bladder and surrounds the top part of the urethra, the tube which urine passes through on its way from the bladder to the penis.
The growth of the prostate relies on testosterone (male sex hormone). If the prostate grows too large, it can slow or stop the flow of urine.
As the prostate is located near the rectum (back passage), growth of the prostate can be checked by a rectal examination where a doctor places a gloved finger into the rectum.
Prostate problems include:
• benign prostatic hyperplasia (BPH or prostate enlargement)
• prostate cancer.
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