The scrotum (or scrotal sac) is a part of the external male genitalia located behind and underneath the penis. It is the small, muscular sac that contains and protects the testicles, blood vessels, ...

The main functions of the penis include reproduction and urination. Penises vary in length, girth, and appearance but mostly all have the same anatomy, which allows them to perform their functions.

Scrotal swelling is an enlargement of the scrotal sac, or scrotum, which houses the testicles. It can be caused by injury, an underlying medical condition, a buildup of fluid, inflammation, or an ...

As a person ages, the scrotum, the sack that holds the testicles, loses elasticity, and the skin starts to sag. Certain medical conditions can also cause the skin to appear saggy. As people age, skin ...