As far as I know there are no "different" B-cells, it is just a matter of
age:
after the immune response some of the antibody producing b-cells turn to
"memory" cells and the others die.
Felix
Ted Ertl <ertlt at GORT.CANISIUS.EDU> schrieb im Beitrag
<336DD053.4869 at gort.canisius.edu>...
> Why do some antigen-stimulated B cells differentiate into
> antibody-secreting cells with brief life spans and others are long-lived
> memory cells?
>
