preantral ovarian follicle growth
Increase in size of follicles surrounded by two or more layers of granulosa cells up to the onset of antrum formation.
GO:0022602
ovulation cycle process
is_a
GO:0048589
developmental growth
is_a
GO:0001541
ovarian follicle development
part_of
GO:0048162
multi-layer follicle stage
part_of