ovarian follicle

Term ID

ZFA:0001110

Synonyms

• egg follicle

Definition

Oocyte development of zebrafish has been divided into five stages based on morphological criteria and on physiological and biochemical events. Stage I follicles (less than 140 microns) are primary growth stage, stage II follicles (140-340 microns) are cortical alveolus stage, stage III (340-690 microns) are vitellogenesis, stage IV (690-730 microns) are oocyte maturation, and stage V follicles are matured egg. (1)

Appears at

Juvenile:Days 30-44 (30d-45d, 10 mm, adult fins/pigment)

Evident until

Adult (90d-730d, breeding adult)

References

• TAO:0001110

Ontology

Anatomy Ontology