Male Reproductive System Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to ...

To help elucidate the reproductive characteristics of the Atlantic snow crab Chionoecetes opilio, the functional anatomy of the male reproductive system and the female spermatheca was investigated ...

They're also all over the environment, including in our water and our food. Now, new research adds to concerns that they could be affecting male fertility. NPR's Will Stone reports.

Infertility is a disease or condition of the reproductive system that affects an estimated 10 to 15 percent of couples trying to conceive in the United States. Male infertility occurs in approximately ...

What is the male reproductive system and how does it work? Read on to learn more about the function and anatomy of the external and internal male reproductive organs.