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Folliculogenesis is the process in which a recruited primordial follicle grows and develops into a specialized graafian follicle with the potential to either ovulate its egg into the oviduct at mid-cycle to be fertilized or to die by atresia.
Before ovulation occurs, the fimbria (finger-like ends) of the fallopian tube are positioned over the ovary. These fimbria move along the ovary until a follicle containing the ripened egg is found. The lining of a fallopian tube contains millions of hair-like projections, called cilia, that move back and forth creating suction. When ovulation occurs this suction sweeps up the egg, along with some of the fluid that has surrounded the egg in the follicle. The chemicals in the fluid signal the muscles of the fallopian tube to contract.