MetaphaseSpindle ApparatusBirefringenceSpermatocytesAnaphaseMicrotubulesDipteraChromosomesOrthopteraMitosisMeiosisKinetochoresKinesinDipodomysAnimal Population GroupsMuscle SpindlesChromosome SegregationMicroscopy, PolarizationCentrosomeChromatidsVideotape RecordingMicrotubule-Associated ProteinsCell ExtractsTubulinOocytesUltraviolet RaysNocodazoleMicroscopy, Phase-ContrastOvumMicrocomputersOrganoidsCentromereCell Cycle ProteinsMicroscopy, FluorescenceSex ChromosomesNerve FibersCDC2 Protein KinaseSpermatozoaMuscle Fibers, SkeletalDietary FiberMad2 ProteinsTelophaseSpectrum AnalysisDose-Response Relationship, RadiationMovementProphaseAurora KinasesMineral FibersInterphaseNuclear Matrix-Associated ProteinsChromosomes, HumanMuscle Fibers, Slow-TwitchM Phase Cell Cycle CheckpointsMuscle Fibers, Fast-TwitchPrometaphaseCotton FiberDyneinsCell CycleChromosomal Proteins, Non-HistoneCytokinesisHeLa CellsProtein-Serine-Threonine KinasesNuclear ProteinsDemecolcineCell NucleusCyclin BKaryotypingProto-Oncogene Proteins c-mosCdc20 ProteinsChromosome AberrationsUbiquitin-Protein Ligase ComplexesAurora Kinase BStress FibersAnaphase-Promoting Complex-CyclosomeXenopus ProteinsMicroscopy, ElectronAneuploidyCentriolesMusclesNerve Fibers, MyelinatedMicrotubule-Organizing CenterSaccharomyces cerevisiae ProteinsPurkinje FibersIn Situ Hybridization, FluorescenceMicrotubule ProteinsParthenogenesisMutationFertilizationCell DivisionFluorescent Antibody TechniqueTime FactorsCell PolarityZygoteOogenesisMotor Neurons, GammaCell Nucleus DivisionModels, BiologicalMolecular Sequence DataPotoroidaeMuscle Contraction