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The Gland System

The gland system is responsible for secreting fluids that will mix with the sperm before it is ejaculated. These fluids help to keep the sperm nourished during development and allow them to move more quickly.

• Seminal Vesicles: The seminal vesicles are two sac-like structures that release fluid into the sperm before it enters the urethra. This fluid accounts for 60% of the semen that is ejaculated during intercourse.
• Prostate Gland: The prostate gland is a walnut-shaped gland that empties into the urethra. It produces a fluid that helps to neutralize any acid that may remain in the urethra, which could harm the sperm.

The Penis

Perhaps the most well-know organ of the male reproductive system, the penis is the organ used to deposit semen in a woman during intercourse. The penis is made up of three main parts: the root, the shaft, and the head. The head contains a small opening, the urethra, through which semen and urine pass. When you are sexually excited, your penis fills with blood and becomes hard. This allows for easier intercourse and the deposit of sperm.

The Male Reproductive System and Infertility

If you and your partner are having troubles conceiving, it may be due to a problem with your reproductive system. The male reproductive system is very complex, and sometimes problems can arise interfering with sperm production, motility, or ejaculation.

If you are experiencing infertility, you may ask your reproductive endocrinologist about the following problems that can occur with the male reproductive system:

• varicocele
• testicular injury
• infections
• erectile dysfunction

In many cases, problems with the male reproductive system can be corrected through specific treatment or surgery.