Germ CellsCell LineageNeoplasms, Germ Cell and EmbryonalTestisSpermatogenesisGene Expression Regulation, DevelopmentalOogenesisSpermatozoaOctamer Transcription Factor-3Cell DifferentiationPluripotent Stem CellsEmbryo, MammalianEmbryonic Stem CellsTesticular NeoplasmsMice, TransgenicTranscription FactorsGerminomaSertoli CellsSpermatogoniaSeminiferous TubulesGonadsSpermatocytesSpermatidsSeminomaStem CellsGerm LayersMeiosisMolecular Sequence DataOvaryPhylogenyWheat Germ AgglutininsSeminiferous EpitheliumDysgerminomaTeratomaBase SequenceGametogenesisEmbryo, NonmammalianEndodermal Sinus TumorSex DifferentiationImmunohistochemistryIn Situ HybridizationOogoniaMice, Inbred C57BLRNA, MessengerCaenorhabditis elegansHomeodomain ProteinsCells, CulturedChimeraNuclear Receptor Subfamily 6, Group A, Member 1PhenotypeMice, KnockoutEmbryonic DevelopmentDrosophila ProteinsSignal TransductionTooth GermDNA-Binding ProteinsMutationMesodermReverse Transcriptase Polymerase Chain ReactionHematopoietic Stem CellsInfertility, MaleAmino Acid SequenceCryptorchidismOocytesCaenorhabditis elegans ProteinsDrosophilaRNA-Binding ProteinsGene Expression RegulationGene ExpressionOvumEvolution, MolecularProto-Oncogene Proteins c-kitMediastinal NeoplasmsApoptosisCarcinoma, EmbryonalEndodermGreen Fluorescent ProteinsCell DivisionModels, BiologicalZebrafishRetroperitoneal NeoplasmsCell ProliferationCell MovementEctodermThymus GlandAnimals, Genetically ModifiedFlow CytometryDNA PrimersBlastomeresGene Expression ProfilingBiological EvolutionDisorders of Sex DevelopmentDrosophila melanogasterFetusSex Determination ProcessesCell SeparationCell CountSequence Analysis, DNANuclear ProteinsCell Line