maturation of a follicle

anatomy blastocyst blastomere care cell cycle development diagram division education egg embryo embryology embryonic female fertile fertility fertilization follicle follicles folliculogenesis gamete genetic gynecology health human illustration implantation infertility maturation mature medical medicine menstrual menstruation nucleus oocyte ovarian ovary ovulation ovule ovum pregnancy primordial reproduction reproductive science sperm stem vector woman zygote