male reproductive system library

Male Reproductive System answers your questions about parts of the male anatomy and how they function. Learn how the different parts of the male reproductive system work in this section.

Featured Article: Can vasectomies actually be reversed?

About 5 percent of the men who have vasectomies eventually go back for a reversal, or vasovasostomy. Reversal is definitely a tempting option, but it's not always successful. See more »

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Are circumcisions really necessary?

Would you jump off a bridge if all your friends did? What if your friends were all circumcising their sons? See if there's a medical reason for slicing off foreskin -- or if we're nurturing an outdated, barbaric practice.

Can vasectomies actually be reversed?

About 5 percent of the men who have vasectomies eventually go back for a reversal, or vasovasostomy. Reversal is definitely a tempting option, but it's not always successful.

Fact or Fiction: Circumcision

To some people, circumcision is an important cultural and religious step that improves cleanliness and reduces the rates of certain diseases. To others, it's an unnecessary, barbaric practice. Can you separate the facts and fictions of this procedure

How Circumcision Works

Snip, snip -- that's the sound of a baby losing his foreskin. Circumcision is a common medical practice in many parts of the world. Where did this tradition come from? And is it something we should stop?

How Viagra Works

What Viagra does is simple: When it works as intended, Viagra causes a man who is sexually stimulated to get an erection.

Sperm Production

Sperm are produced, stored, and delivered, by the male reproductive system.

Viagra Quiz

Lots of rumors go around about Viagra, but what does this medicine actually do inside the body? Take the Viagra Quiz to see what you know about that little blue pill.

How Erectile Dysfunction Works

Erectile dysfunction, commonly known as impotence, affects more than 140 million men worldwide. It is estimated that only 10 percent of men affected by erectile dysfunction sought treatment. Learn how erectile dysfunction works.

The Male Reproductive System

The male reproductive system consists of those structures in the male body designed to create life. The system includes the testes, a network of ducts, seminal vesicles, the prostate gland, and the penis.

Enlarged Prostate Gland

In older men, the prostate sometimes enlarges and reduces the size of the urethra. The condition is called Benign Prostatic Hypertrophy.

Male Reproductive System

This animation illustrates the different parts of the male reproductive system in detail. Click on the words in the right column to see each part.

Pathway of Sperm Release

The male reproductive system includes numerous parts that must work together to function properly. This animation illustrates how the male reproductive organs work together to release sperm.