Lymphoid TissueAntibodiesAntibody SpecificityAntibodies, ViralAntibodies, MonoclonalAntibodies, BacterialLymphoma, B-Cell, Marginal ZoneAntibody FormationAntibodies, NeutralizingPalatine TonsilFluorescent Antibody TechniquePeyer's PatchesAntibody AffinityLymph NodesAntibodies, Anti-IdiotypicBinding Sites, AntibodySpleenEpitopesHIV AntibodiesMice, Inbred BALB CB-LymphocytesAntibodies, NeoplasmAntibodies, ProtozoanImmunoglobulin MAntibodies, AntinuclearCross ReactionsT-LymphocytesImmunoglobulin AMolecular Sequence DataChemokine CCL21AutoantibodiesImmunoglobulin GImmunohistochemistryAntigen-Antibody ReactionsAntibodies, FungalNeutralization TestsAmino Acid SequenceImmunoenzyme TechniquesLymphocytesChemokine CXCL13Thymus GlandImmunity, MucosalMice, Inbred C57BLAntigensAntibodies, BispecificImmunizationRabbitsSingle-Chain AntibodiesAntigen-Antibody ComplexAntibodies, BlockingAntigens, SurfaceFlow CytometryMucous MembraneImmunoglobulin Fab FragmentsLymphocyte ActivationAppendixImmunoglobulinsAntibodies, HeterophileCD4-Positive T-LymphocytesImmune SeraCells, CulturedAntibodies, CatalyticCell LineMesenteryHybridomasFluorescent Antibody Technique, IndirectDendritic CellsAntigens, BacterialLymphotoxin-betaReceptors, CXCR5Enzyme-Linked Immunosorbent AssayAntibodies, Monoclonal, HumanizedChemokine CCL19LymphomaLymphotoxin beta ReceptorAntigens, ViralIntestinal MucosaAntigens, CDBase SequenceImmunization, PassiveHIV-1Epitope MappingNasal MucosaAntibodies, AntiphospholipidImmunoglobulin Variable RegionReceptors, CCR7Lymphotoxin-alphaRecombinant ProteinsBlotting, WesternLymphoma, B-CellTime FactorsGerminal CenterImmunoglobulin Heavy ChainsChoristomaAntibody-Producing CellsImmunoglobulin A, SecretoryAntibody DiversityTissue DistributionImmunoblottingPlasma Cells