Term Name:	secondary ovarian follicle
Synonyms:	folliculus ovaricus secondarius, ovary secondary follicle, pre-antral follicle, pre-ovulatory follicle, preantral follicle, secondary egg follicle, secondary follicle, secondary follicle of ovary
Definition:	A maturing ovarian follicle that has two more more layers of granulosa cells, up to the onset of antrum formation.
Ontology:	Uberon Ontology [UBERON:0000036]