| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly in the ovarian follicle that is ready for ovulation and presents a blanched spot (the follicular stigma) where the graafian follicle is about to rupture on the surface of the ovary; a first maturation (meiotic) division of the primary oocyte usually occurs just prior to rupture of the follicle |