Scientists have traced the cause of increased numbers of mutations in children to a higher…
Browsing: Sperm
Sperm are the male reproductive cells that play a crucial role in sexual reproduction. Produced in the testes of males across different species, including humans, these cells are designed to fertilize the female’s ovum (egg), thereby initiating conception. Sperm cells are unique in their structure; they consist of a head that contains genetic material (DNA), a midsection packed with mitochondria to provide energy, and a tail (flagellum) that propels them forward. The process of sperm production, known as spermatogenesis, involves the division and maturation of cells within the testes, resulting in mature sperm cells capable of motility and fertilization. The mobility and viability of sperm are critical factors in their ability to reach and fertilize an egg, making them a central study subject in reproductive health and fertility treatments.
Researchers found that chromosomal rearrangements during sperm production play a key role in genome evolution,…
Research in Mice Holds Implications for Childhood Cancer Survivors Male testis tissue that is cryopreserved…
Higher BMI accelerates sperm cell aging, with older men over a BMI of 30 showing…
Dr. Wei Yan discovered a natural compound that exhibits almost ideal male contraceptive effects in…
Researchers developed a non-hormonal contraceptive that prevents semen liquefaction by blocking prostate-specific antigen (PSA), potentially…
Reproductive Sciences experts at Cincinnati Children’s discover that the gene Cdc42 is required to support…
Egg and sperm cell size evolved from competition. Limited resources drove gametes to differ vastly…
Scientists in Japan have created a way to freeze-dry mouse sperm on plastic sheets, making…
University of Toledo research shows the centriole’s role in sperm evolved from a shock absorber…
Sperm size varies dramatically among different animal species. But why is sperm size so variable…
An alternative explanation of recent findings of declining sperm counts: normal, non-pathological variation. A new…
A selfish gene helps sperm cheat their way to fertilization by tweaking RAC1, but too…
A new test quickly and easily identifies when sperm are carrying chromosomal mutations, and could…
How does COVID-19 affect sperm and thus the next generation’s immune system? Researchers from the…
Project using roundworms uncovers a mechanism that leads to male infertility caused by high temperatures.…
In another fascinating snapshot from deep time, an international team of paleontologists has reported the…
Delivering drugs specifically to cancer cells is one approach researchers are taking to minimize treatment…