The process by which ova producing cells give rise to the mature ovum is called
Oogenesis
Oogenesis is the process by which ova producing cells give rise to the mature ovum. Ovulation is the rupture of the Graafian follicle to release the egg. Menstruation refers to the process by which the endometrial lining is shed out of the vagina, along with blood vessels, if fertilisation does not take place.