OVER the past few weeks, we’ve been examining each body system in detail. This week and next, we will focus on our final, most vital system: the reproductive system. Our focus this week will be on the ...

The arrangement of the male genital tract in higher vertebrates (sequence of testes, epididymides, and seminal vesicles, which are additionally interrelated with several other glands) is an arena for ...

Reproductive aging, spanning an age-related functional decline in the female and male reproductive systems, compromises fertility and leads to a range of health complications. In this Perspective, we ...