Term Name:	ovarian follicle
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.
Appears at:	Juvenile:Days 30-44 (30d-45d, 10 mm, adult fins/pigment)
Evident until:	Adult (90d-730d, breeding adult)
Ontology:	Anatomy Ontology [ZFA:0001110]

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