has part has part has_part has_component has component has component develops from develops from secondary ovarian follicle tertiary ovarian follicle 2 EMAPA:30763 vesicular ovarian follicle antral ovarian follicle folliculus ovaricus tertiarius antral follicle A follicle that has reached the most mature stage of folliculogenesis, characterized by the presence of the antrum. folliculus ovaricus tertiarius (vesiculous) FMA:18641 vesicular follicle of ovary NCIT:C32692 tertiary egg follicle Graafian follicle MA:0002909 folliculus ovaricus tertiarius (vesiculosus) tertiary follicle of ovary ovary antral follicle UBERON:0000037 SCTID:362261008 follicular antrum ovarian follicle granulosa cell layer