Oocyte: A female germ cell in the process of development. The oocyte is produced in the ovary by an ancestral cell called an oogonium and gives rise to the ovum (the egg), which can be fertilized. SLIDESHOW Fertility Options: Types, Treatments, and Costs See Slideshow From Healthy Resources Common Causes of InfertilityWhich Infertility Treatment is for You?Sex and Headaches: What's the Link? Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19
