B-Lymph
Development -3
•Characteristics of Stages in B lymphocyte
development: cont=d
•eActivated B
lymphocytes
•Umature B
lymphocytes that have come in contact with a specific antigen
•Ucells
proliferate, differentiate into plasma cells
•Uclass
switching of heavy chains may occur resulting in production of all isotypes of Ig=s
•Uexpress less
surface IgD and IgM
•Uclass
switching by activated B lymphs may result in production of all isotypes of Ig=s by plasma cells