How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

CNN claimed there is skepticism about new HHS guidance that clarifies the differences between men and women, while failing to ...

The function of the male reproductive system is to produce sperm cells - male gametes - and release them inside a female. The male reproductive system has two testes (singular: testis).

The Male Reproductive Medicine and Surgery fellowship is a one-year fellowship under the mentorship of Larry Lipshultz, M.D., professor of urology and the Lester and Sue Smith Endowed chair for ...

Their analysis of male reproductive behavior reveals new findings. The rare males actively mated with females, just like typical males. However, genetic analysis confirmed that no male-derived ...