Granulosa CellsFollicular AtresiaOvaryGranulosa Cell TumorOvarian FollicleFollicle Stimulating HormoneTheca CellsProgesteroneLuteinizationFollicular FluidChorionic GonadotropinOvulationReceptors, FSHReceptors, LHAromataseEstradiolGonadotropins, EquineCells, CulturedLuteinizing HormoneCholesterol Side-Chain Cleavage EnzymeLuteal CellsInhibinsGonadotropinsOocytesGrowth Differentiation Factor 9Follicular Phase20-alpha-DihydroprogesteroneSteroidsAndrostenedioneReceptors, GonadotropinRNA, MessengerBone Morphogenetic Protein 15Corpus Luteum