a susset of T laymocytes that is itself comprised of Th1 and Th2 cells that cooperate with and regulate B laimphocytes in the antbody response and with themselves and other effector T lying.
a subset of T lymphocytes that is itself comprised of Th1 and Th2 cells that cooperate with and regulate B lymphocytes in the antibody response and with themselves and other effector T lymphocytes.