It is the scrotum.
It is called a Cyst
There is no testicle fluid in the sac. The testicles create sperm and this is released when a man ejaculates. Hope this helps.
Testicle pain could be something as simple as a bruise, or it could be something potentially dangerous like a torsioned testicle that occurs when the testicle wraps and tangles the various ducts and vessels it is connected to inside the sac.
sac
The Scrotum is the "SAC" that holds the testicles
an ovarian cyst is closed, sac like structure within an ovary that contain a liquid, gaseous or semisolid substance.
none
It is oval in shape.It is a oval sac like structure.
A vacuole.
The external sac-like structure of the male reproductive system is the scrotum. It functions to support and regulate the temperature of the testes, which is essential for sperm production and quality.
The male gonad is the testicle. It is located in the scrotum, an external sac.
The scrotum protects the oval-shaped testicle.