Having more than 120 million gametes is associated with up to three more years of life. Once again, a Danish study points to the use of sperm as an indicator of male health. The latest predictive ...

The work, published March 3 as two papers in ... cells are initially “bipotent” — able to become either sperm or eggs. But while the embryo is still snug in the womb, its bipotent cells commit to one ...

New work from UC Davis and the University of ... cells are initially “bipotent” — able to become either sperm or eggs. But while the embryo is still snug in the womb, its bipotent cells commit to one ...

is not only required for long-term sperm production, but also plays a role in maintaining a population of spermatogonial stem cells, according to a study published last week (February 28) in Stem ...

Free radicals are unstable molecules that can damage DNA and cellular function and lead to cell death throughout the body, including the testes and sperm. “Any factor (genetic, immunological ...

Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are ...

While using a light microscope to study sperm formation in wasps, Henking noticed that some wasp sperm cells had 12 chromosomes ... the "X element" to represent its unknown nature.

A key part of the fertility process involves IZUMO1, a protein on the surface of sperm cells, and JUNO ... interference from OBF13 or its variant. "In this work, we are reporting the first ...

A key part of the fertility process involves IZUMO1, a protein on the surface of sperm cells, and JUNO ... interference from OBF13 or its variant. "In this work, we are reporting the first ...

The work, published as two papers ... bipotent (able to become either sperm or eggs). But while the embryo is still in the womb, its bipotent cells commit to one path or another and once they ...