A spermatocele (also called a spermatic or epididymal cyst) is a fluid-filled sac that grows in the epididymis -- a tightly coiled tube about 20 feet long where the sperm matures as it passes through.

Infertility is a global public health problem caused by genetic defects, lifestyle, nutrition, and factors affecting the local metabolism and microenvironment of the reproductive system. Sperm from ...