Zona pellucida surrounding the oocyte plays an important role during various stages of oocyte development. Zinc is released from the vesicles of the egg’s cortex after fertilization or egg ...

Although IVF is commonly used in many species from livestock to humans, it has historically met with little success in horses ...

In a sense, oocyte activation and embryo development after sperm penetration ... derived from early embryos before the eight-cell stage can develop into live individuals, indicating the ...

When the researchers intervened and "forced" the embryos to inherit aggregated proteins, three in five (60%) failed to complete very early stages of development. "A lot of studies have historically ...

Exceptionally long-lived macromolecules in mammalian ovaries and oocytes serve as pillars for lifelong reproductive health span.