New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...

Human sperm cells are well-studied, so scientists were completely surprised to find a previously unknown structure in the little swimmers. And perhaps more surprising, this newfound structure may ...

Researchers have identified a new structure in human sperm that functions in the zygote and may provide new avenues for addressing male infertility and insights into early embryo developmental defects ...

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June 7 (UPI) --A newly discovered sperm structure may play a role in infertility, miscarriages and birth defects, and could lead to new diagnostics and therapeutic methods, according to a study.

The method reduces ice crystals that form during cryopreservation and affect spermatozoon structure. Cryopreservation is a freezing method that stores spermatozoa to be used for reproduction. Although ...

Jean-Lou Justine received grants from the Muséum National d'Histoire Naturelle, Paris, France. He is the Editor-in-Chief of the scientific journal Parasite (http ...

NEWPORT, Ore. - Although sperm whales have not been driven to the brink of extinction as have some other whales, a new study has found a remarkable lack of diversity in the maternally inherited ...