The male reproductive system refers to the bodily systems responsible for sexual function in males. It consists of external and internal structures responsible for the formation, storage, and ...

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 Reproductive ...

Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

Hear the phrase “reproductive politics” and sperm likely won’t be the first thing that comes to mind. But in a provocative new collection of essays, Yale sociologist Rene Almeling and a group of ...

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 ...

It's the latest corner of the human body where tiny bits of plastic have turned up — the testicles. Exposure to environmental toxins like microplastics are believed to be contributing to the global ...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which was first discovered in patients with severe pneumonia at the end of 2019, has since infected over 272 million worldwide and ...

A Vermont elementary school says it will no longer use the words “male” or “female” when teaching fifth-grade students about puberty and human reproductive systems. Families of students at Founders ...

A team has discovered an RNA coding for a micro-peptide - a very small protein - that plays a crucial role in the competition between spermatozoa from different males of the Drosophila with which the ...