Follicular AtresiaGranulosa CellsOvarian FollicleBiliary AtresiaIntestinal AtresiaTheca CellsEsophageal AtresiaFollicular FluidOvaryPulmonary AtresiaFollicular PhaseInterleukin-6 Receptor alpha SubunitBuffaloesHypophysectomyChoanal AtresiaProgesteroneGonadotropins, EquineEstradiolTricuspid AtresiaAromataseApoptosisChorionic GonadotropinSus scrofaOvulationTracheoesophageal FistulaFollicle Stimulating HormoneIn Situ Nick-End LabelingInhibinsEstrusMesocricetusSwineLuteinizing HormoneTestosteroneCattleImmunohistochemistryAnus, ImperforateOocytesRNA, MessengerIn Situ Hybridization