Follicle of youth.
D000818:Animals; D000831:Animals, Newborn; D002452:Cell Count; D005260:Female; D005298:Fertility / Q000502:physiology*; D006801:Humans; D007247:Infertility, Female / Q000473:pathology / Q000503:physiopathology / Q000662:veterinary; D008098:Litter Size; D051379:Mice; D009865:Oocytes / Q000166:cytology* / Q000502:physiology*; D006080:Ovarian Follicle / Q000502:physiology; D010053:Ovary / Q000473:pathology / Q000502:physiology / Q000503:physiopathology