Secondary ovarian follicle

Definition

A maturing ovarian follicle that has two more more layers of granulosa cells, up to the onset of antrum formation.

Also known as folliculus ovaricus secondarius, ovary secondary follicle, pre-antral follicle, preantral follicle, secondary follicle of ovary — per UBERON

The Secondary ovarian follicle is a part of the Reproductive.