SpecializationBiological EvolutionSeminiferous EpitheliumPhylogenySertoli CellsEcosystemBlood-Testis BarrierSpecies SpecificityAdaptation, BiologicalFunctional LateralityEvolution, MolecularAnimal DistributionEcologyMicroscopy, ElectronPollinationFalkland IslandsSpermatidsDominance, CerebralAdaptation, PhysiologicalFeeding BehaviorIntercellular JunctionsMolecular Sequence DataAnxiety, SeparationTarsiidaeSpecialties, SurgicalHost SpecificityPerciformesCell SeparationFreeze FracturingBrain MappingHydrazinesSynapsesFossilsImmunomagnetic SeparationBiodiversityLorisidaePredatory BehaviorBirdsGenetic SpeciationPapio ursinusAntsBrainPalaeognathaeSymbiosisIndazolesSeed DispersalOrchidaceaeModels, BiologicalPlant Physiological PhenomenaInsectsPlantsMedicineMagnetic Resonance ImagingSpermatogenesisAcoustic StimulationAcaciaEnvironmentAmino Acid SequenceBeakSympatryPlant NectarReproductionBehavior, AnimalNeuromuscular JunctionNeuronsBeesAuditory PerceptionChiropteraThysanopteraPhotic StimulationReceptors, CholinergicPaleontologyGeographyAxonsInformation TheoryMolesFood ChainGene DuplicationElectrophoresis, CapillaryOsmium CompoundsFaceHospitals, SpecialVertebratesSocial BehaviorEcotypeChromatography, High Pressure LiquidPopulation DynamicsTime FactorsMaternal DeprivationPaleodontologyPrimatesCetaceaLizardsPhthirapteraNeural PathwaysCell MembraneElectrophoresis, MicrochipTestisLarreaAgrin