Term: ovarian follicle stage I ovarian follicle development
Name: ovarian follicle stage I
Synonyms: ovarian follicle stage 1, previtellogenic ovarian follicle
Definition: Stage I follicles (less than 140 microns) contain a stage 1 oocyte and are in the primary growth stage.
Ontology: Anatomy Ontology [ZFA:0001263]

Name: ovarian follicle development
Synonyms: follicular phase
Definition: The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.
Ontology: GO: Biological Process [GO:0001541]    QuickGO    AmiGO