The testes are where sperm cells are produced and are also responsible for the production of the sex hormone testosterone.

Researchers have discovered enormous tube worms and other creatures thriving in cavities beneath the seafloor on the East ...

But a recent expedition has revealed a startling truth: giant tube worms are thriving in these extreme conditions. Schmidt ...

When a heterosexual couple can’t conceive, the burden of blame is still frequently laid at the woman’s door. But as sperm ...

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.

When both testes become twisted, it's known as bilateral testicular torsion. Less than 2% of testicular torsion cases are bilateral, and most are in newborns. The two testes sit in a pouch that ...

Testosterone cypionate and enanthate are two forms of injectable testosterone. Though their purposes are similar, these two ...

Who would argue against having a male birth control contraceptive method that is long-lasting and reversible? Maybe that is a statement that would engender strong opinions, but it shouldn’t be!

When you are young, it is easier to work out and look good. But if you are into competing or just want to look great, it ...

“Fragile X syndrome is caused by a change in the FMR1 gene, and the FMR1 gene is located on the X chromosome,” explains ...

There are many forms or types of alopecia, each presenting with varying amounts of hair loss. Here’s how they appear, how ...

Research uncovers the critical role of carnitine transporters in maintaining fertility by regulating energy metabolism and ...