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 ...

Phosphate levels in blood strongly affect sperm quality in men - ...

Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete ...

The human reproductive system is an amazing bit of body kit. It also has parts on the outside of the body which are called genitals. The medical words to describe male genitals are the penis and ...

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 ...

All mammals have a particular protein on the surface of sperm called CatSper. It controls the entry of the particles needed ...

Sperm swim faster in high temperature environments; aging ovaries slowly lose egg support. Both affect fertility differently.

implying that phosphate is regulated within the male reproductive system. With this in mind, in another study, also presented ...

However, only the left Mullerian duct (and usually only the left ovary) develops. Male reproductive system is straightforward. Testes - composed of seminiferous tubules which produce large numbers of ...

Estrogen is a hormone that plays a role in both the male and female reproductive systems ... the function of the cardiovascular system, and other essential bodily processes.

In mammals - including us humans - sperm are surprisingly picky about temperature, thriving best in conditions a few degrees ...

University of Manchester scientists have discovered significant concentrations of microplastics in the male reproductive system of sea turtles. The scientists also found slightly less, but still ...