Wearing boxers to the gym You might be risking a hernia Learn why proper testicle support during workouts is essential for ...

Also called testes, these are the two oval-shaped organs that hang from the base of a man’s torso. They’re a little smaller than a golf ball. They rest in a sac of skin known as the scrotum ...

The testis, or testicle, is one of typically two oval-shaped endocrine glands that form part of the male reproductive system. The testes are the male homologues to the female ovaries, and their ...

Two hormones are critical in normal sex differentiation. The testes of normal 46,XY males secrete both Müllerian Inhibiting Substance (also known as MIS or antimüllerian hormone) and ...

The temperature of the testes is at issue: In order for testes to produce sufficient quality and quantity of sperm, the temperature of testes must be lower than the core body temperature.

Doctors also refer to a swollen testicle as testicular enlargement. It occurs when the scrotum (the sac surrounding the testicles) grows abnormally large. Testicular swelling occurs when fluid starts ...

A comparative study of more than 100 primate species finds that males tend to have either large testes or flashy ornaments, but not both—suggesting an evolutionary trade-off between the two. The ...

Medical experts strongly recommend that UDT be treated early, ideally before the child turns one. The primary treatment, known as orchidopexy, surgically repositions the testis in the scrotum.