Neoplasms, Germ Cell and EmbryonalWheat Germ AgglutininsTestisSpermatogenesisGerm LayersTooth GermTesticular NeoplasmsSpermatozoaGerminomaSpermatogoniaSertoli CellsSeminiferous TubulesGonadsSpermatocytesSpermatidsSeminomaMeiosisOogenesisGene Expression Regulation, DevelopmentalTriticumGametogenesisOvaryTeratomaSeminiferous EpitheliumDysgerminomaCell DifferentiationOogoniaEndodermal Sinus TumorMolecular Sequence DataSex DifferentiationEmbryo, NonmammalianRNA, MessengerOctamer Transcription Factor-3OocytesNuclear Receptor Subfamily 6, Group A, Member 1Base SequenceInfertility, MaleRNA-Binding ProteinsCaenorhabditis elegansIn Situ HybridizationOvumCryptorchidismImmunohistochemistryEmbryo, MammalianDrosophila ProteinsCaenorhabditis elegans ProteinsDrosophilaStem CellsMediastinal NeoplasmsMutationAmino Acid SequenceRNA, Messenger, StoredCarcinoma, EmbryonalPluripotent Stem CellsCell LineageSex Determination AnalysisRetroperitoneal NeoplasmsDisorders of Sex DevelopmentLeydig CellsEmbryonic DevelopmentWheat Germ Agglutinin-Horseradish Peroxidase ConjugateDrosophila melanogasterSperm CountPachytene StageChimeraReverse Transcriptase Polymerase Chain ReactionBlood-Testis BarrierTranscription FactorsGenomic ImprintingMice, TransgenicGerm Theory of DiseaseApoptosisProtein BiosynthesisGastrulaMesodermZebrafishMice, Inbred C57BLalpha-FetoproteinsBlastodermProto-Oncogene Proteins c-kitPhenotypeChoriocarcinomaCandida albicansGerm-Line MutationEndodermDNA-Binding ProteinsBleomycinGene ExpressionX ChromosomeCell MovementDNA MethylationHaploidyNuclear ProteinsMeiotic Prophase IFetusZygoteEpididymisTestosteroneCells, CulturedTurbellaria