Ma'anar ƙamus na lymphokine shine furotin da fararen jini ke samarwa wanda aka sani da lymphocytes, wanda ke aiki a matsayin saƙon sinadarai don daidaita martanin tsarin rigakafi ga cututtuka ko wasu abubuwan motsa jiki. Lymphokines wani nau'in cytokine ne, waɗanda ƙananan ƙwayoyin sigina ne waɗanda ke ɓoye ta sel na tsarin rigakafi don sadarwa tare da wasu ƙwayoyin cuta da daidaita amsawar rigakafi.