Lymphocyte SubsetsLymphocytesSpleenLymphocyte ActivationConcanavalin AT-LymphocytesLymphocyte CountB-LymphocytesImmunity, CellularT-Lymphocyte SubsetsLeukocyte CountCD4-CD8 RatioMitogensFlow CytometryMice, Inbred BALB CKiller Cells, NaturalPhytohemagglutininsMice, Inbred C57BLMice, Inbred StrainsThymus GlandInterleukin-2CD4-Positive T-LymphocytesImmunophenotypingCells, CulturedAntibodies, MonoclonalInterferon-gammaB-Lymphocyte SubsetsAntigens, SurfaceCD8-Positive T-LymphocytesLymph NodesCytotoxicity, ImmunologicHypersensitivity, DelayedMice, Inbred CBAAntigens, CD3Cell Migration InhibitionImmunoglobulinsT-Lymphocytes, Helper-InducerMice, Inbred C3HAntigens, CDCytotoxicity Tests, ImmunologicAntigens, CD45CytokinesAntibody FormationImmunityImmunoglobulin GMacrophagesImmunosuppressionMice, Inbred AKRImmune ToleranceAntigens, Differentiation, T-LymphocyteAntigens, CD8Time FactorsT-Lymphocytes, RegulatoryOrgan SizeThymidineT-Lymphocytes, CytotoxicLymphocytes, Tumor-InfiltratingImmunizationLymphopeniaCell LineCell DivisionAntigens, CD4LipopolysaccharidesEpitopesLymphocyte Culture Test, MixedCell SeparationRosette FormationReceptors, Antigen, T-Cell, gamma-deltaCD4 Lymphocyte CountLymphocyte DepletionChickensLymphocytes, NullHLA-DR AntigensLymphoid TissueAntigens, CD19Disease Models, AnimalAntigens, CD57Antigens, CD56Receptors, Antigen, B-CellAntigens, BacterialLymphocyte TransfusionImmunologic MemoryLeukocytes, MononuclearLiverAntigens, DifferentiationPokeweed MitogensPhenotypeReceptors, Interleukin-2LeukocytesReceptors, Antigen, T-Cell, alpha-betaMonocytesImmunoglobulin MPalatine TonsilHistocompatibility AntigensFluorescent Antibody TechniqueReceptors, Antigen, T-CellInterleukin-4Reference ValuesFeline Acquired Immunodeficiency SyndromeAppendix