CD4 TCR CD 3 TLymphocyte 0 CD TCR Surface Markers of T and B Cells Lymphocyte Human Mouse TCells immature CD5,CD1,CD2, Thy-1,Ly-1,2,3,and T Mature Subsets Activated T cells s -Dd:cd25 (tac)THu-1.LU-2.3 B Cells CD19-22,CIR,mlg lup2.3.5,mlg kPleuehoTgorBmsrkers