A discovery that blocks the normal transition of semen from a thick gel to a liquid shows promise for development of a new form of…
Posts published in “Sperm”
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Sertoli cells are highly polarized cells that nurture different stages of germ cells at the same time. This image reveals how a single Sertoli cell,…
Egg and sperm cell size evolved from competition. Limited resources drove gametes to differ vastly in size and number. In most living animals, egg cells…
This is a photo of a mouse produced from sperm mailed by envelope. Credit: Daiyu Ito, University of Yamanashi Scientists no longer have to worry…
Sperm illustration. University of Toledo research shows the centriole’s role in sperm evolved from a shock absorber to a transmission system. Scientists at The University…
Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job — to fertilize eggs?…
An alternative explanation of recent findings of declining sperm counts: normal, non-pathological variation. A new study from the Harvard GenderSci Lab in the journal Human Fertility,…
A new test quickly and easily identifies when sperm are carrying chromosomal mutations, and could be applied for men hoping to have children. Chemotherapy and…