LymphocytesB-LymphocytesLymphocyte ActivationT-LymphocytesLymphocyte SubsetsReceptors, Antigen, B-CellLymphocyte CountSpleenPalatine TonsilB-Lymphocyte SubsetsCells, CulturedImmunoglobulin MFlow CytometryLymphocyte Culture Test, MixedLeukocyte CountLymphocyte CooperationAntigens, CDHerpesvirus 4, HumanImmunoglobulinsMitogensAntigens, CD19PhytohemagglutininsMice, Inbred C57BLRosette FormationLymphocytes, Tumor-InfiltratingMice, Inbred BALB CImmunoglobulin DAntibodies, MonoclonalConcanavalin ACD4-Positive T-LymphocytesImmune Adherence ReactionAntibody FormationLymph NodesT-Lymphocytes, CytotoxicLymphocyte TransfusionCell LineImmunoglobulin GLeukemia, LymphoidInterleukin-2Lymphoid TissueCytotoxicity, ImmunologicCell SeparationAntigens, Differentiation, B-LymphocyteB-Cell Activating FactorPokeweed MitogensT-Lymphocyte SubsetsAntigens, SurfaceLymphocyte DepletionImmunity, CellularImmunophenotypingThymus GlandCell DifferentiationAntigens, CD5CD8-Positive T-LymphocytesAntibody-Producing CellsMolecular Sequence DataClone CellsAntigens, CD3LectinsAntibodies, Anti-IdiotypicCell DivisionAntigensKiller Cells, NaturalAntigens, Differentiation, T-LymphocyteImmunoglobulin mu-ChainsInterleukin-4Cytotoxicity Tests, ImmunologicAntigens, CD40Lymphocyte Function-Associated Antigen-1Receptors, Lymphocyte HomingMice, Inbred StrainsImmunoglobulin Heavy ChainsPlasma CellsImmunologic CappingReceptors, Complement 3dInterferon-gammaBase SequenceMice, Inbred CBAImmunologic Deficiency SyndromesEpitopesSignal TransductionMembrane GlycoproteinsFluorescent Antibody TechniqueMonocytesMice, KnockoutThoracic DuctHemolytic Plaque TechniqueCytokinesLymphopeniaGenes, ImmunoglobulinLymphocytes, NullImmunologic MemoryAntigens, CD45T-Lymphocytes, Helper-InducerMacrophagesReceptors, Antigen, T-CellImmune ToleranceEpstein-Barr Virus Nuclear AntigensMice, TransgenicApoptosis