increased transitional stage B cell number abnormal transitional stage T2 B cell morphology increased transitional stage T2 B cell number 2010-01-27T01:13:49Z CL:0000959 MP:0009925 MPheno.ontology csmith greater number of a type of a transitional stage B cell that has the phenotype surface IgM-positive, surface IgD-postive, CD21-positive, CD23-positive, CD62L-negative, and is located in the splenic B follicles increased T2 stage B cell number increased transitional two stage B lymphocyte number increased transitional two stage B-cell number increased transitional two stage B-lymphocyte number