Kalmar "helper cell" yawanci tana nufin nau'in farin jini mai suna T helper cell ko Th cell. Kwayoyin T helper wani abu ne mai mahimmanci na tsarin rigakafi kuma suna taka muhimmiyar rawa wajen daidaitawa da daidaita matakan rigakafi ga cututtuka da sauran abubuwa na waje. , Kwayoyin taimako na T na iya ganewa da kuma ɗaure su ga takamaiman kwayoyin halitta a saman ƙwayar cuta. Wannan yana kunna ƙwayoyin T helper sel, sannan su saki sinadarai da ake kira cytokines waɗanda ke motsa sauran ƙwayoyin rigakafi su kai farmaki kan ƙwayoyin cuta. cututtuka (wanda tsarin garkuwar jiki ke kai hari ga kyallen jikin jiki) da kuma rashin lafiya.