LYMPHOKINE

[lym.pho.kine] n [lymph- + -kine, fr. Gk kinein to move about--more at -kinesis] (1969): any of various substances (as interleukin-2) of low molecular weight that are not immunoglobulins, are secreted by T cells in response to stimulation by antigens, and have a role (as the activation of macrophages or the enhancement or inhibition of antibody production) in cell-mediated immunity