Male Reproductive Anatomy

The reproductive system is the part of the body involved in sexual function. Below are the main parts of the reproductive anatomy for people who are assigned male at birth.

The urethra. This transports urine and semen. When you have an orgasm, semen is ejaculated out of the urethra.

The testes. These are glands that produce sperm (reproductive cells) and hormones.

The epididymis. This is a coiled tube that holds sperm while they mature.

The vas deferens. These tubes carry sperm from the epididymis to the penis.

Cross section side view of male reproductive anatomy.

After sexual arousal, sperm move away from the epididymis through the vas deferens. Along the way, the sperm mix with fluids produced by the seminal vesicles and prostate gland to form semen. The semen helps nourish sperm and carry them along.

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