Oogonia

Definition

Oogonia are the female germ cells from which oocytes (egg cells) develop during oogenesis in the ovaries. They are formed prenatally, multiply by mitosis, and serve as the source for primary oocytes that may eventually be fertilized.

Related terms

Oogenesis:

The process of egg cell development from oogonia to mature oocytes within the ovaries.

Primary Oocyte:

An intermediate cell that forms from an oogonium and undergoes meiosis to produce a secondary oocyte and polar bodies.

Folliculogenesis: The maturation process of ovarian follicles, which encase the developing oocyte until it is ready for ovulation