People with testicles may get a condition known as epididymitis, which can cause pain and swelling in the testicles. The condition usually improves with antibiotics. Share on Pinterest twomeows/Getty ...

In the back of the testicles, there is a coiled tube called the epididymis. This tube stores and carries sperm and is linked to the ejaculatory duct by another tube called the vas deferens.

Epididymitis is the inflammation of the epididymis, the coiled tube at the back of the testicle that stores sperm before it is ejaculated from the body. Epididymitis is characterized by pain, redness, ...