It describes the development of sperm in the testes, ... Pig Reproduction: Sperm, Egg, and Fertilization Under the Microscope. Posted: March 15, 2025 | Last updated: March 15, 2025.

Under the microscope, ... they'll prove that the follicles in the mini-ovaries can develop the immature eggs into ones capable of being fertilized to make embryos and babies.

They're leading in the development of IVG, new fertility technology that could make sperm and eggs from practically any cell in the body. The results could transform human reproduction.

Under the microscope, the colonies look silvery blue, almost like crystals or clumps of snowflakes. Next, Hurtado pulls a clear round dish out of an incubator. "These are primordial germ-cell-like ...

With his Ph.D. under his belt, Bonnet set about designing a machine that could process an entire test tube—containing thousands of eggs—in a single pass.