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.

A spermatocele is a fluid-filled sac or cyst. It develops on the epididymis, the small tube that stores and transports semen from the testicles. It may feel like a hard, painless lump or there may be ...

WE have observed certain definite changes in the testes of some inbred hamsters. These changes are characterized by a striking testicular hypoplasia, mostly bilateral. Such testes, represented ...

Feeling a lump or bump on a testicle will make any man freak out. On this part of the body, discovering a lump out of the ordinary can be very unsettling and disturbing, to say the least. However, ...