As nouns the difference between lymphocyte and lymphokine

is that lymphocyte is (cytology|immunology) a type of white blood cell or leukocyte that is divided into two principal groups and a null group; b-lymphocytes, which produce antibodies in the humoral immune response, t-lymphocytes, which participate in the cell-mediated immune response and the null group, which contains natural killer cells, cytotoxic cells that participate in the innate immune response while lymphokine is (biochemistry) any of a group of cytokines produced by lymphocytes.