Gynaecology & Obstetrics General 2a39ce56 Ovary develops from all except A Coelomic Epithelium B Yolk sac endoderm C Gonadal ridge mesenchyme D Urogenital sinus High-Yield Explanation Ovary develops from 3 major cellular sources Primordial germ cells Coelomic epithelial cells Mesenchymal cells from gonadal ridge.