noun. A diploid cell from which an egg or ovum develops by meiosis. A primary oocyte divides to produce a polar body and a secondary oocyte, which divides again to produce the ovum and another polar body.

noun. A cell that develops into an egg or ovum; a female gametocyte.

noun. a female gametocyte that develops into an ovum after two meiotic divisions

"Egg freezing is more technically known as oocyte cryopreservation, a technology by which a woman's eggs are surgically removed from her ovaries and frozen until she is ready to use them."

gametocyte  

Framingham  O-ring  age-dependent  dysmenorrhea  egg-cell