A effector T cell that provides help in the form of secreted cytokines to other immune cells. [ GOC:tfm GOC:add http://www.ncbi.nlm.nih.gov/pubmed/18395547 http://purl.obolibrary.org/obo/go/references/0000031 GOC:pam ]
Synonyms: helper T lymphocyte T-helper cell helper T-cell helper T-lymphocyte