Male reproductive system

The scrotum

(also called the scrotal sac) hangs under the penis and contains the testicles and epididymis.

Seminal Vesicles

Located at the base of the bladder, the two seminal vesicles secrete a thick fluid that nourishes the sperm.

Epididymis

Next to each testicle, the epididymis is a light-colored tube where sperm is stored and matured. From here, sperm are transported to the vas deferens.

Testicle

The two testicles (or testes) produce sperm and the male sex hormone testosterone.

Vas Deferens

Thin muscular tube transports the sperm from the epididymis to the urethra.

Prostate Gland

This walnut-sized gland surrounds a portion of the urethra and produces some of the fluid in semen.

Urethra

Tube that carries semen and urine out of the penis.

The penis

is made of two parts: the shaft (the main part) and the glans (the tip, sometimes called the head). The penis delivers sperm through the urethra.

The bladder

is the muscular sac that stores urine (pee) until it is released through the urethra.