The egg cell travels through the oviduct towards the uterus. If the egg cell does not meet with a sperm cell in the oviduct, the lining of the uterus begins to break down and the cycle repeats.

They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

The egg cell travels through the oviduct towards the uterus. If the egg cell does not meet with a sperm cell in the oviduct, the lining of the uterus begins to break down and the cycle repeats.

Egg fertilization is often described as an epic swim meet: Millions of sperm swim as fast as they can toward the egg until ...

Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) are also known as germ cell cancer. Germ cells ...

More than a decade ago, scientists succeeded for the first time in generating primordial germ cells—the precursors of sperm and eggs—from embryonic stem cells, a process that led to functional sperm ...

A team of researchers from Monash University has uncovered how swimming sperm create corkscrew-shaped fluid vortices that help propel them forward, improving their chances of reaching the egg. The ...

but the egg is not dead, and can be woken up after taking out from liquid nitrogen and rehydrating it,” she said. The revived cell can then be fertilised or fused with a sperm and a pregnancy can be ...