SpecializationBiological EvolutionPhylogenySeminiferous EpitheliumHistory, 20th CenturyMedical History TakingEcosystemLiteratureSertoli CellsSpecies SpecificityEvolution, MolecularHistory, 19th CenturyBlood-Testis BarrierAdaptation, BiologicalFunctional LateralityHistory, 17th CenturyHistory, 18th CenturyHistory of MedicineMagnetic Resonance ImagingEcologyRisk FactorsReview Literature as TopicAnimal DistributionAdaptation, PhysiologicalFeeding BehaviorDominance, CerebralPollinationHistory, AncientFossilsHistory, 21st CenturyFalkland IslandsTime FactorsHistory, MedievalSpermatidsMolecular Sequence DataHistoryMicroscopy, ElectronIntercellular JunctionsSpecialties, SurgicalHistory, 16th CenturyTarsiidaePerciformesBrainBiodiversityHost SpecificityGenetic SpeciationBrain MappingModels, BiologicalGeographyBirdsTreatment OutcomeEnvironmentGenetic VariationReproductionFreeze FracturingPredatory BehaviorSynapsesAntsHydrazinesPopulation DynamicsTomography, X-Ray ComputedLorisidaeUnited StatesMedicineSymbiosisRetrospective StudiesPapio ursinusPalaeognathaePlant Physiological PhenomenaSeed DispersalHistory, 15th CenturyPlantsInsectsOrchidaceaePaleontologyIndazolesQuestionnairesAge FactorsGene DuplicationPregnancySequence Analysis, DNASpermatogenesisBehavior, AnimalAcaciaAnalysis of VarianceFatal OutcomeSympatryAcoustic StimulationSocial BehaviorFood ChainChiropteraBeesVertebratesBeakPlant NectarDatabases, BibliographicNeuronsMedicine in LiteratureModels, GeneticNeuromuscular Junction